18086960

素因数分解:

$2^4\times 5^1\times {\mathrm{226087}}^1$

素因数の和:226100

約数の個数: 20

約数和(自身を含む): 42052368

約数和(自身を除く): 23965408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 226087, 452174, 904348, 1130435, 1808696, 2260870, 3617392, 4521740, 9043480, 18086960]

約数ペア:

[(1, 18086960), (2, 9043480), (4, 4521740), (5, 3617392), (8, 2260870), (10, 1808696), (16, 1130435), (20, 904348), (40, 452174), (80, 226087)]