18888910

素因数分解:

$2^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{9787}}^1$

素因数の和:9987

約数の個数: 16

約数和(自身を含む): 34179696

約数和(自身を除く): 15290786

約数列:

[1, 2, 5, 10, 193, 386, 965, 1930, 9787, 19574, 48935, 97870, 1888891, 3777782, 9444455, 18888910]

約数ペア:

[(1, 18888910), (2, 9444455), (5, 3777782), (10, 1888891), (193, 97870), (386, 48935), (965, 19574), (1930, 9787)]