18463216

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{8423}}^1$

素因数の和:8568

約数の個数: 20

約数和(自身を含む): 36037872

約数和(自身を除く): 17574656

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 8423, 16846, 33692, 67384, 134768, 1153951, 2307902, 4615804, 9231608, 18463216]

約数ペア:

[(1, 18463216), (2, 9231608), (4, 4615804), (8, 2307902), (16, 1153951), (137, 134768), (274, 67384), (548, 33692), (1096, 16846), (2192, 8423)]