18085240

素因数分解:

$2^3\times 5^1\times {\mathrm{452131}}^1$

素因数の和:452142

約数の個数: 16

約数和(自身を含む): 40691880

約数和(自身を除く): 22606640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 452131, 904262, 1808524, 2260655, 3617048, 4521310, 9042620, 18085240]

約数ペア:

[(1, 18085240), (2, 9042620), (4, 4521310), (5, 3617048), (8, 2260655), (10, 1808524), (20, 904262), (40, 452131)]