18892220

素因数分解:

$2^2\times 5^1\times {\mathrm{337}}^1\times {\mathrm{2803}}^1$

素因数の和:3149

約数の個数: 24

約数和(自身を含む): 39805584

約数和(自身を除く): 20913364

約数列:

[1, 2, 4, 5, 10, 20, 337, 674, 1348, 1685, 2803, 3370, 5606, 6740, 11212, 14015, 28030, 56060, 944611, 1889222, 3778444, 4723055, 9446110, 18892220]

約数ペア:

[(1, 18892220), (2, 9446110), (4, 4723055), (5, 3778444), (10, 1889222), (20, 944611), (337, 56060), (674, 28030), (1348, 14015), (1685, 11212), (2803, 6740), (3370, 5606)]