18868118

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{2111}}^1$

素因数の和:2263

約数の個数: 16

約数和(自身を含む): 29272320

約数和(自身を除く): 10404202

約数列:

[1, 2, 41, 82, 109, 218, 2111, 4222, 4469, 8938, 86551, 173102, 230099, 460198, 9434059, 18868118]

約数ペア:

[(1, 18868118), (2, 9434059), (41, 460198), (82, 230099), (109, 173102), (218, 86551), (2111, 8938), (4222, 4469)]