18291268

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{521}}^1$

素因数の和:723

約数の個数: 24

約数和(自身を含む): 32798304

約数和(自身を除く): 14507036

約数列:

[1, 2, 4, 67, 131, 134, 262, 268, 521, 524, 1042, 2084, 8777, 17554, 34907, 35108, 68251, 69814, 136502, 139628, 273004, 4572817, 9145634, 18291268]

約数ペア:

[(1, 18291268), (2, 9145634), (4, 4572817), (67, 273004), (131, 139628), (134, 136502), (262, 69814), (268, 68251), (521, 35108), (524, 34907), (1042, 17554), (2084, 8777)]