18919060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{49787}}^1$

素因数の和:49815

約数の個数: 24

約数和(自身を含む): 41821920

約数和(自身を除く): 22902860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 49787, 99574, 199148, 248935, 497870, 945953, 995740, 1891906, 3783812, 4729765, 9459530, 18919060]

約数ペア:

[(1, 18919060), (2, 9459530), (4, 4729765), (5, 3783812), (10, 1891906), (19, 995740), (20, 945953), (38, 497870), (76, 248935), (95, 199148), (190, 99574), (380, 49787)]