19788665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{1823}}^1$

素因数の和:2008

約数の個数: 16

約数和(自身を含む): 25740288

約数和(自身を除く): 5951623

約数列:

[1, 5, 13, 65, 167, 835, 1823, 2171, 9115, 10855, 23699, 118495, 304441, 1522205, 3957733, 19788665]

約数ペア:

[(1, 19788665), (5, 3957733), (13, 1522205), (65, 304441), (167, 118495), (835, 23699), (1823, 10855), (2171, 9115)]