19689080

素因数分解:

$2^3\times 5^1\times {\mathrm{492227}}^1$

素因数の和:492238

約数の個数: 16

約数和(自身を含む): 44300520

約数和(自身を除く): 24611440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 492227, 984454, 1968908, 2461135, 3937816, 4922270, 9844540, 19689080]

約数ペア:

[(1, 19689080), (2, 9844540), (4, 4922270), (5, 3937816), (8, 2461135), (10, 1968908), (20, 984454), (40, 492227)]