18422140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83737}}^1$

素因数の和:83757

約数の個数: 24

約数和(自身を含む): 42203952

約数和(自身を除く): 23781812

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 83737, 167474, 334948, 418685, 837370, 921107, 1674740, 1842214, 3684428, 4605535, 9211070, 18422140]

約数ペア:

[(1, 18422140), (2, 9211070), (4, 4605535), (5, 3684428), (10, 1842214), (11, 1674740), (20, 921107), (22, 837370), (44, 418685), (55, 334948), (110, 167474), (220, 83737)]