15640876

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1571}}^1$

素因数の和:1725

約数の個数: 24

約数和(自身を含む): 29050560

約数和(自身を除く): 13409684

約数列:

[1, 2, 4, 19, 38, 76, 131, 262, 524, 1571, 2489, 3142, 4978, 6284, 9956, 29849, 59698, 119396, 205801, 411602, 823204, 3910219, 7820438, 15640876]

約数ペア:

[(1, 15640876), (2, 7820438), (4, 3910219), (19, 823204), (38, 411602), (76, 205801), (131, 119396), (262, 59698), (524, 29849), (1571, 9956), (2489, 6284), (3142, 4978)]