18186974

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1789}}^1$

素因数の和:1844

約数の個数: 32

約数和(自身を含む): 32477760

約数和(自身を除く): 14290786

約数列:

[1, 2, 13, 17, 23, 26, 34, 46, 221, 299, 391, 442, 598, 782, 1789, 3578, 5083, 10166, 23257, 30413, 41147, 46514, 60826, 82294, 395369, 534911, 699499, 790738, 1069822, 1398998, 9093487, 18186974]

約数ペア:

[(1, 18186974), (2, 9093487), (13, 1398998), (17, 1069822), (23, 790738), (26, 699499), (34, 534911), (46, 395369), (221, 82294), (299, 60826), (391, 46514), (442, 41147), (598, 30413), (782, 23257), (1789, 10166), (3578, 5083)]