id:A091818 - OEIS Search Results

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Sum of even proper divisors of 2n. Sum of the even divisors of 2n that are less than 2n.

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0, 2, 2, 6, 2, 12, 2, 14, 8, 16, 2, 32, 2, 20, 18, 30, 2, 42, 2, 44, 22, 28, 2, 72, 12, 32, 26, 56, 2, 84, 2, 62, 30, 40, 26, 110, 2, 44, 34, 100, 2, 108, 2, 80, 66, 52, 2, 152, 16, 86 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`The sum of even divisors of 18 that are less than 18 is 8=2+6.`
	CROSSREFS	`Cf. A091570, A074400.` `Sequence in context: A154009 A099985 A110765 this_sequence A071223 A055934 A096217` `Adjacent sequences: A091815 A091816 A091817 this_sequence A091819 A091820 A091821`
	KEYWORD	`easy,nonn`
	AUTHOR	`Mohammad K. Azarian (azarian(AT)evansville.edu), Mar 07 2004`

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Last modified December 10 00:48 EST 2009. Contains 170565 sequences.

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