19196990

素因数分解:

$2^1\times 5^1\times {\mathrm{881}}^1\times {\mathrm{2179}}^1$

素因数の和:3067

約数の個数: 16

約数和(自身を含む): 34609680

約数和(自身を除く): 15412690

約数列:

[1, 2, 5, 10, 881, 1762, 2179, 4358, 4405, 8810, 10895, 21790, 1919699, 3839398, 9598495, 19196990]

約数ペア:

[(1, 19196990), (2, 9598495), (5, 3839398), (10, 1919699), (881, 21790), (1762, 10895), (2179, 8810), (4358, 4405)]