18581816

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{12421}}^1$

素因数の和:12455

約数の個数: 32

約数和(自身を含む): 40247280

約数和(自身を除く): 21665464

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 374, 748, 1496, 12421, 24842, 49684, 99368, 136631, 211157, 273262, 422314, 546524, 844628, 1093048, 1689256, 2322727, 4645454, 9290908, 18581816]

約数ペア:

[(1, 18581816), (2, 9290908), (4, 4645454), (8, 2322727), (11, 1689256), (17, 1093048), (22, 844628), (34, 546524), (44, 422314), (68, 273262), (88, 211157), (136, 136631), (187, 99368), (374, 49684), (748, 24842), (1496, 12421)]