18257080

素因数分解:

$2^3\times 5^1\times {\mathrm{456427}}^1$

素因数の和:456438

約数の個数: 16

約数和(自身を含む): 41078520

約数和(自身を除く): 22821440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 456427, 912854, 1825708, 2282135, 3651416, 4564270, 9128540, 18257080]

約数ペア:

[(1, 18257080), (2, 9128540), (4, 4564270), (5, 3651416), (8, 2282135), (10, 1825708), (20, 912854), (40, 456427)]