18649629520

素因数分解:

$2^4\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{231041}}^1$

素因数の和:232063

約数の個数: 40

約数和(自身を含む): 43403550120

約数和(自身を除く): 24753920600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1009, 2018, 4036, 5045, 8072, 10090, 16144, 20180, 40360, 80720, 231041, 462082, 924164, 1155205, 1848328, 2310410, 3696656, 4620820, 9241640, 18483280, 233120369, 466240738, 932481476, 1165601845, 1864962952, 2331203690, 3729925904, 4662407380, 9324814760, 18649629520]

約数ペア:

[(1, 18649629520), (2, 9324814760), (4, 4662407380), (5, 3729925904), (8, 2331203690), (10, 1864962952), (16, 1165601845), (20, 932481476), (40, 466240738), (80, 233120369), (1009, 18483280), (2018, 9241640), (4036, 4620820), (5045, 3696656), (8072, 2310410), (10090, 1848328), (16144, 1155205), (20180, 924164), (40360, 462082), (80720, 231041)]