18490060

素因数分解:

$2^2\times 5^1\times {\mathrm{924503}}^1$

素因数の和:924512

約数の個数: 12

約数和(自身を含む): 38829168

約数和(自身を除く): 20339108

約数列:

[1, 2, 4, 5, 10, 20, 924503, 1849006, 3698012, 4622515, 9245030, 18490060]

約数ペア:

[(1, 18490060), (2, 9245030), (4, 4622515), (5, 3698012), (10, 1849006), (20, 924503)]