18310420

素因数分解:

$2^2\times 5^1\times {\mathrm{569}}^1\times {\mathrm{1609}}^1$

素因数の和:2187

約数の個数: 24

約数和(自身を含む): 38543400

約数和(自身を除く): 20232980

約数列:

[1, 2, 4, 5, 10, 20, 569, 1138, 1609, 2276, 2845, 3218, 5690, 6436, 8045, 11380, 16090, 32180, 915521, 1831042, 3662084, 4577605, 9155210, 18310420]

約数ペア:

[(1, 18310420), (2, 9155210), (4, 4577605), (5, 3662084), (10, 1831042), (20, 915521), (569, 32180), (1138, 16090), (1609, 11380), (2276, 8045), (2845, 6436), (3218, 5690)]