18042040

素因数分解:

$2^3\times 5^1\times {\mathrm{451051}}^1$

素因数の和:451062

約数の個数: 16

約数和(自身を含む): 40594680

約数和(自身を除く): 22552640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 451051, 902102, 1804204, 2255255, 3608408, 4510510, 9021020, 18042040]

約数ペア:

[(1, 18042040), (2, 9021020), (4, 4510510), (5, 3608408), (8, 2255255), (10, 1804204), (20, 902102), (40, 451051)]