18722680

素因数分解:

$2^3\times 5^1\times {\mathrm{468067}}^1$

素因数の和:468078

約数の個数: 16

約数和(自身を含む): 42126120

約数和(自身を除く): 23403440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 468067, 936134, 1872268, 2340335, 3744536, 4680670, 9361340, 18722680]

約数ペア:

[(1, 18722680), (2, 9361340), (4, 4680670), (5, 3744536), (8, 2340335), (10, 1872268), (20, 936134), (40, 468067)]