19957155

素因数分解:

$3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{3253}}^1$

素因数の和:3670

約数の個数: 16

約数和(自身を含む): 32019360

約数和(自身を除く): 12062205

約数列:

[1, 3, 5, 15, 409, 1227, 2045, 3253, 6135, 9759, 16265, 48795, 1330477, 3991431, 6652385, 19957155]

約数ペア:

[(1, 19957155), (3, 6652385), (5, 3991431), (15, 1330477), (409, 48795), (1227, 16265), (2045, 9759), (3253, 6135)]