18918064

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2287}}^1$

素因数の和:2353

約数の個数: 40

約数和(自身を含む): 40854528

約数和(自身を除く): 21936464

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 47, 88, 94, 176, 188, 376, 517, 752, 1034, 2068, 2287, 4136, 4574, 8272, 9148, 18296, 25157, 36592, 50314, 100628, 107489, 201256, 214978, 402512, 429956, 859912, 1182379, 1719824, 2364758, 4729516, 9459032, 18918064]

約数ペア:

[(1, 18918064), (2, 9459032), (4, 4729516), (8, 2364758), (11, 1719824), (16, 1182379), (22, 859912), (44, 429956), (47, 402512), (88, 214978), (94, 201256), (176, 107489), (188, 100628), (376, 50314), (517, 36592), (752, 25157), (1034, 18296), (2068, 9148), (2287, 8272), (4136, 4574)]