19791025

素因数分解:

$5^2\times {\mathrm{443}}^1\times {\mathrm{1787}}^1$

素因数の和:2240

約数の個数: 12

約数和(自身を含む): 24610032

約数和(自身を除く): 4819007

約数列:

[1, 5, 25, 443, 1787, 2215, 8935, 11075, 44675, 791641, 3958205, 19791025]

約数ペア:

[(1, 19791025), (5, 3958205), (25, 791641), (443, 44675), (1787, 11075), (2215, 8935)]