18298874

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{20287}}^1$

素因数の和:20341

約数の個数: 16

約数和(自身を含む): 30675456

約数和(自身を除く): 12376582

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 20287, 40574, 223157, 446314, 831767, 1663534, 9149437, 18298874]

約数ペア:

[(1, 18298874), (2, 9149437), (11, 1663534), (22, 831767), (41, 446314), (82, 223157), (451, 40574), (902, 20287)]