18176470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1571}}^1$

素因数の和:1680

約数の個数: 32

約数和(自身を含む): 35652960

約数和(自身を除く): 17476490

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 1571, 2314, 3142, 5785, 7855, 11570, 15710, 20423, 40846, 102115, 139819, 204230, 279638, 699095, 1398190, 1817647, 3635294, 9088235, 18176470]

約数ペア:

[(1, 18176470), (2, 9088235), (5, 3635294), (10, 1817647), (13, 1398190), (26, 699095), (65, 279638), (89, 204230), (130, 139819), (178, 102115), (445, 40846), (890, 20423), (1157, 15710), (1571, 11570), (2314, 7855), (3142, 5785)]