18105815

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{3061}}^1$

素因数の和:3099

約数の個数: 24

約数和(自身を含む): 26896608

約数和(自身を除く): 8790793

約数列:

[1, 5, 7, 13, 35, 65, 91, 169, 455, 845, 1183, 3061, 5915, 15305, 21427, 39793, 107135, 198965, 278551, 517309, 1392755, 2586545, 3621163, 18105815]

約数ペア:

[(1, 18105815), (5, 3621163), (7, 2586545), (13, 1392755), (35, 517309), (65, 278551), (91, 198965), (169, 107135), (455, 39793), (845, 21427), (1183, 15305), (3061, 5915)]