19639852

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{43451}}^1$

素因数の和:43568

約数の個数: 12

約数和(自身を含む): 34674696

約数和(自身を除く): 15034844

約数列:

[1, 2, 4, 113, 226, 452, 43451, 86902, 173804, 4909963, 9819926, 19639852]

約数ペア:

[(1, 19639852), (2, 9819926), (4, 4909963), (113, 173804), (226, 86902), (452, 43451)]