18779990

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{18233}}^1$

素因数の和:18343

約数の個数: 16

約数和(自身を含む): 34134048

約数和(自身を除く): 15354058

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 18233, 36466, 91165, 182330, 1877999, 3755998, 9389995, 18779990]

約数ペア:

[(1, 18779990), (2, 9389995), (5, 3755998), (10, 1877999), (103, 182330), (206, 91165), (515, 36466), (1030, 18233)]