18812725

素因数分解:

$5^2\times {\mathrm{479}}^1\times {\mathrm{1571}}^1$

素因数の和:2060

約数の個数: 12

約数和(自身を含む): 23391360

約数和(自身を除く): 4578635

約数列:

[1, 5, 25, 479, 1571, 2395, 7855, 11975, 39275, 752509, 3762545, 18812725]

約数ペア:

[(1, 18812725), (5, 3762545), (25, 752509), (479, 39275), (1571, 11975), (2395, 7855)]