18062120

素因数分解:

$2^3\times 5^1\times {\mathrm{451553}}^1$

素因数の和:451564

約数の個数: 16

約数和(自身を含む): 40639860

約数和(自身を除く): 22577740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 451553, 903106, 1806212, 2257765, 3612424, 4515530, 9031060, 18062120]

約数ペア:

[(1, 18062120), (2, 9031060), (4, 4515530), (5, 3612424), (8, 2257765), (10, 1806212), (20, 903106), (40, 451553)]