18388060

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{9103}}^1$

素因数の和:9213

約数の個数: 24

約数和(自身を含む): 39001536

約数和(自身を除く): 20613476

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 9103, 18206, 36412, 45515, 91030, 182060, 919403, 1838806, 3677612, 4597015, 9194030, 18388060]

約数ペア:

[(1, 18388060), (2, 9194030), (4, 4597015), (5, 3677612), (10, 1838806), (20, 919403), (101, 182060), (202, 91030), (404, 45515), (505, 36412), (1010, 18206), (2020, 9103)]