191113420

素因数分解:

$2^2\times 5^1\times {\mathrm{9555671}}^1$

素因数の和:9555680

約数の個数: 12

約数和(自身を含む): 401338224

約数和(自身を除く): 210224804

約数列:

[1, 2, 4, 5, 10, 20, 9555671, 19111342, 38222684, 47778355, 95556710, 191113420]

約数ペア:

[(1, 191113420), (2, 95556710), (4, 47778355), (5, 38222684), (10, 19111342), (20, 9555671)]