218618906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{829}}^1\times {\mathrm{11987}}^1$

素因数の和:12829

約数の個数: 16

約数和(自身を含む): 358201440

約数和(自身を除く): 139582534

約数列:

[1, 2, 11, 22, 829, 1658, 9119, 11987, 18238, 23974, 131857, 263714, 9937223, 19874446, 109309453, 218618906]

約数ペア:

[(1, 218618906), (2, 109309453), (11, 19874446), (22, 9937223), (829, 263714), (1658, 131857), (9119, 23974), (11987, 18238)]