17980708

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{977}}^1$

素因数の和:1131

約数の個数: 24

約数和(自身を含む): 32532192

約数和(自身を除く): 14551484

約数列:

[1, 2, 4, 43, 86, 107, 172, 214, 428, 977, 1954, 3908, 4601, 9202, 18404, 42011, 84022, 104539, 168044, 209078, 418156, 4495177, 8990354, 17980708]

約数ペア:

[(1, 17980708), (2, 8990354), (4, 4495177), (43, 418156), (86, 209078), (107, 168044), (172, 104539), (214, 84022), (428, 42011), (977, 18404), (1954, 9202), (3908, 4601)]