18183080

素因数分解:

$2^3\times 5^1\times {\mathrm{454577}}^1$

素因数の和:454588

約数の個数: 16

約数和(自身を含む): 40912020

約数和(自身を除く): 22728940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 454577, 909154, 1818308, 2272885, 3636616, 4545770, 9091540, 18183080]

約数ペア:

[(1, 18183080), (2, 9091540), (4, 4545770), (5, 3636616), (8, 2272885), (10, 1818308), (20, 909154), (40, 454577)]