18656265

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{757}}^1$

素因数の和:849

約数の個数: 32

約数和(自身を含む): 31435776

約数和(自身を除く): 12779511

約数列:

[1, 3, 5, 15, 31, 53, 93, 155, 159, 265, 465, 757, 795, 1643, 2271, 3785, 4929, 8215, 11355, 23467, 24645, 40121, 70401, 117335, 120363, 200605, 352005, 601815, 1243751, 3731253, 6218755, 18656265]

約数ペア:

[(1, 18656265), (3, 6218755), (5, 3731253), (15, 1243751), (31, 601815), (53, 352005), (93, 200605), (155, 120363), (159, 117335), (265, 70401), (465, 40121), (757, 24645), (795, 23467), (1643, 11355), (2271, 8215), (3785, 4929)]