18887745

素因数分解:

$3^1\times 5^1\times {\mathrm{673}}^1\times {\mathrm{1871}}^1$

素因数の和:2552

約数の個数: 16

約数和(自身を含む): 30281472

約数和(自身を除く): 11393727

約数列:

[1, 3, 5, 15, 673, 1871, 2019, 3365, 5613, 9355, 10095, 28065, 1259183, 3777549, 6295915, 18887745]

約数ペア:

[(1, 18887745), (3, 6295915), (5, 3777549), (15, 1259183), (673, 28065), (1871, 10095), (2019, 9355), (3365, 5613)]