id:A030637 - OEIS Search Results

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Numbers with 19 divisors.

+0
9

262144, 387420489, 3814697265625, 1628413597910449, 5559917313492231481, 112455406951957393129, 14063084452067724991009, 104127350297911241532841, 3244150909895248285300369 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`18th powers of primes. The n-th number with p divisors is equal to the n-th prime raised to power p-1, where p is prime. - Omar E. Pol (info(AT)polprimos.com), May 06 2008`
	LINKS	`R. J. Mathar, Table of n, a(n) for n = 1..400`
	FORMULA	`a(n)=A000040(n)^(19-1)=A000040(n)^(18). - Omar E. Pol (info(AT)polprimos.com), May 06 2008`
	CROSSREFS	`Cf. A000040.` `Sequence in context: A016905 A017700 A010806 this_sequence A016965 A017037 A017121` `Adjacent sequences: A030634 A030635 A030636 this_sequence A030638 A030639 A030640`
	KEYWORD	`nonn`
	AUTHOR	`Jeff Burch (jmburch(AT)osprey.smcm.edu)`
	EXTENSIONS	`a(6) corrected, Mar 26 2007`

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

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