18189850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{51971}}^1$

素因数の和:51990

約数の個数: 24

約数和(自身を含む): 38667168

約数和(自身を除く): 20477318

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 51971, 103942, 259855, 363797, 519710, 727594, 1299275, 1818985, 2598550, 3637970, 9094925, 18189850]

約数ペア:

[(1, 18189850), (2, 9094925), (5, 3637970), (7, 2598550), (10, 1818985), (14, 1299275), (25, 727594), (35, 519710), (50, 363797), (70, 259855), (175, 103942), (350, 51971)]