18974452432

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{91223329}}^1$

素因数の和:91223350

約数の個数: 20

約数和(自身を含む): 39590925220

約数和(自身を除く): 20616472788

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 91223329, 182446658, 364893316, 729786632, 1185903277, 1459573264, 2371806554, 4743613108, 9487226216, 18974452432]

約数ペア:

[(1, 18974452432), (2, 9487226216), (4, 4743613108), (8, 2371806554), (13, 1459573264), (16, 1185903277), (26, 729786632), (52, 364893316), (104, 182446658), (208, 91223329)]