18002280580

素因数分解:

$2^2\times 5^1\times {\mathrm{900114029}}^1$

素因数の和:900114038

約数の個数: 12

約数和(自身を含む): 37804789260

約数和(自身を除く): 19802508680

約数列:

[1, 2, 4, 5, 10, 20, 900114029, 1800228058, 3600456116, 4500570145, 9001140290, 18002280580]

約数ペア:

[(1, 18002280580), (2, 9001140290), (4, 4500570145), (5, 3600456116), (10, 1800228058), (20, 900114029)]