19663790

素因数分解:

$2^1\times 5^1\times {\mathrm{617}}^1\times {\mathrm{3187}}^1$

素因数の和:3811

約数の個数: 16

約数和(自身を含む): 35463312

約数和(自身を除く): 15799522

約数列:

[1, 2, 5, 10, 617, 1234, 3085, 3187, 6170, 6374, 15935, 31870, 1966379, 3932758, 9831895, 19663790]

約数ペア:

[(1, 19663790), (2, 9831895), (5, 3932758), (10, 1966379), (617, 31870), (1234, 15935), (3085, 6374), (3187, 6170)]