18162220

素因数分解:

$2^2\times 5^1\times {\mathrm{601}}^1\times {\mathrm{1511}}^1$

素因数の和:2121

約数の個数: 24

約数和(自身を含む): 38229408

約数和(自身を除く): 20067188

約数列:

[1, 2, 4, 5, 10, 20, 601, 1202, 1511, 2404, 3005, 3022, 6010, 6044, 7555, 12020, 15110, 30220, 908111, 1816222, 3632444, 4540555, 9081110, 18162220]

約数ペア:

[(1, 18162220), (2, 9081110), (4, 4540555), (5, 3632444), (10, 1816222), (20, 908111), (601, 30220), (1202, 15110), (1511, 12020), (2404, 7555), (3005, 6044), (3022, 6010)]