18155260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47777}}^1$

素因数の和:47805

約数の個数: 24

約数和(自身を含む): 40133520

約数和(自身を除く): 21978260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 47777, 95554, 191108, 238885, 477770, 907763, 955540, 1815526, 3631052, 4538815, 9077630, 18155260]

約数ペア:

[(1, 18155260), (2, 9077630), (4, 4538815), (5, 3631052), (10, 1815526), (19, 955540), (20, 907763), (38, 477770), (76, 238885), (95, 191108), (190, 95554), (380, 47777)]