18142180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{129587}}^1$

素因数の和:129603

約数の個数: 24

約数和(自身を含む): 43541568

約数和(自身を除く): 25399388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 129587, 259174, 518348, 647935, 907109, 1295870, 1814218, 2591740, 3628436, 4535545, 9071090, 18142180]

約数ペア:

[(1, 18142180), (2, 9071090), (4, 4535545), (5, 3628436), (7, 2591740), (10, 1814218), (14, 1295870), (20, 907109), (28, 647935), (35, 518348), (70, 259174), (140, 129587)]