19416440

素因数分解:

$2^3\times 5^1\times {\mathrm{485411}}^1$

素因数の和:485422

約数の個数: 16

約数和(自身を含む): 43687080

約数和(自身を除く): 24270640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 485411, 970822, 1941644, 2427055, 3883288, 4854110, 9708220, 19416440]

約数ペア:

[(1, 19416440), (2, 9708220), (4, 4854110), (5, 3883288), (8, 2427055), (10, 1941644), (20, 970822), (40, 485411)]