19158680

素因数分解:

$2^3\times 5^1\times {\mathrm{478967}}^1$

素因数の和:478978

約数の個数: 16

約数和(自身を含む): 43107120

約数和(自身を除く): 23948440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 478967, 957934, 1915868, 2394835, 3831736, 4789670, 9579340, 19158680]

約数ペア:

[(1, 19158680), (2, 9579340), (4, 4789670), (5, 3831736), (8, 2394835), (10, 1915868), (20, 957934), (40, 478967)]