18130960

素因数分解:

$2^4\times 5^1\times {\mathrm{226637}}^1$

素因数の和:226650

約数の個数: 20

約数和(自身を含む): 42154668

約数和(自身を除く): 24023708

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 226637, 453274, 906548, 1133185, 1813096, 2266370, 3626192, 4532740, 9065480, 18130960]

約数ペア:

[(1, 18130960), (2, 9065480), (4, 4532740), (5, 3626192), (8, 2266370), (10, 1813096), (16, 1133185), (20, 906548), (40, 453274), (80, 226637)]