19745306

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{13693}}^1$

素因数の和:13805

約数の個数: 16

約数和(自身を含む): 34180224

約数和(自身を除く): 14434918

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 13693, 27386, 95851, 191702, 1410379, 2820758, 9872653, 19745306]

約数ペア:

[(1, 19745306), (2, 9872653), (7, 2820758), (14, 1410379), (103, 191702), (206, 95851), (721, 27386), (1442, 13693)]