18088912

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{379}}^1$

素因数の和:563

約数の個数: 40

約数和(自身を含む): 37224800

約数和(自身を除く): 19135888

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 157, 304, 314, 379, 628, 758, 1256, 1516, 2512, 2983, 3032, 5966, 6064, 7201, 11932, 14402, 23864, 28804, 47728, 57608, 59503, 115216, 119006, 238012, 476024, 952048, 1130557, 2261114, 4522228, 9044456, 18088912]

約数ペア:

[(1, 18088912), (2, 9044456), (4, 4522228), (8, 2261114), (16, 1130557), (19, 952048), (38, 476024), (76, 238012), (152, 119006), (157, 115216), (304, 59503), (314, 57608), (379, 47728), (628, 28804), (758, 23864), (1256, 14402), (1516, 11932), (2512, 7201), (2983, 6064), (3032, 5966)]