18820158

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{4111}}^1$

素因数の和:4232

約数の個数: 32

約数和(自身を含む): 43422720

約数和(自身を除く): 24602562

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 109, 218, 327, 654, 763, 1526, 2289, 4111, 4578, 8222, 12333, 24666, 28777, 57554, 86331, 172662, 448099, 896198, 1344297, 2688594, 3136693, 6273386, 9410079, 18820158]

約数ペア:

[(1, 18820158), (2, 9410079), (3, 6273386), (6, 3136693), (7, 2688594), (14, 1344297), (21, 896198), (42, 448099), (109, 172662), (218, 86331), (327, 57554), (654, 28777), (763, 24666), (1526, 12333), (2289, 8222), (4111, 4578)]