18450860

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{6637}}^1$

素因数の和:6785

約数の個数: 24

約数和(自身を含む): 39031440

約数和(自身を除く): 20580580

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 6637, 13274, 26548, 33185, 66370, 132740, 922543, 1845086, 3690172, 4612715, 9225430, 18450860]

約数ペア:

[(1, 18450860), (2, 9225430), (4, 4612715), (5, 3690172), (10, 1845086), (20, 922543), (139, 132740), (278, 66370), (556, 33185), (695, 26548), (1390, 13274), (2780, 6637)]