9989740

素因数分解:

$2^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{1361}}^1$

素因数の和:1737

約数の個数: 24

約数和(自身を含む): 21051072

約数和(自身を除く): 11061332

約数列:

[1, 2, 4, 5, 10, 20, 367, 734, 1361, 1468, 1835, 2722, 3670, 5444, 6805, 7340, 13610, 27220, 499487, 998974, 1997948, 2497435, 4994870, 9989740]

約数ペア:

[(1, 9989740), (2, 4994870), (4, 2497435), (5, 1997948), (10, 998974), (20, 499487), (367, 27220), (734, 13610), (1361, 7340), (1468, 6805), (1835, 5444), (2722, 3670)]