18597140

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{2099}}^1$

素因数の和:2551

約数の個数: 24

約数和(自身を含む): 39160800

約数和(自身を除く): 20563660

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2099, 2215, 4198, 4430, 8396, 8860, 10495, 20990, 41980, 929857, 1859714, 3719428, 4649285, 9298570, 18597140]

約数ペア:

[(1, 18597140), (2, 9298570), (4, 4649285), (5, 3719428), (10, 1859714), (20, 929857), (443, 41980), (886, 20990), (1772, 10495), (2099, 8860), (2215, 8396), (4198, 4430)]