18877712

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4111}}^1$

素因数の和:4167

約数の個数: 40

約数和(自身を含む): 42830592

約数和(自身を除く): 23952880

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 164, 287, 328, 574, 656, 1148, 2296, 4111, 4592, 8222, 16444, 28777, 32888, 57554, 65776, 115108, 168551, 230216, 337102, 460432, 674204, 1179857, 1348408, 2359714, 2696816, 4719428, 9438856, 18877712]

約数ペア:

[(1, 18877712), (2, 9438856), (4, 4719428), (7, 2696816), (8, 2359714), (14, 1348408), (16, 1179857), (28, 674204), (41, 460432), (56, 337102), (82, 230216), (112, 168551), (164, 115108), (287, 65776), (328, 57554), (574, 32888), (656, 28777), (1148, 16444), (2296, 8222), (4111, 4592)]