18691866

素因数分解:

$2^1\times 3^2\times {\mathrm{131}}^1\times {\mathrm{7927}}^1$

素因数の和:8066

約数の個数: 24

約数和(自身を含む): 40813344

約数和(自身を除く): 22121478

約数列:

[1, 2, 3, 6, 9, 18, 131, 262, 393, 786, 1179, 2358, 7927, 15854, 23781, 47562, 71343, 142686, 1038437, 2076874, 3115311, 6230622, 9345933, 18691866]

約数ペア:

[(1, 18691866), (2, 9345933), (3, 6230622), (6, 3115311), (9, 2076874), (18, 1038437), (131, 142686), (262, 71343), (393, 47562), (786, 23781), (1179, 15854), (2358, 7927)]