19158990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{638633}}^1$

素因数の和:638643

約数の個数: 16

約数和(自身を含む): 45981648

約数和(自身を除く): 26822658

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 638633, 1277266, 1915899, 3193165, 3831798, 6386330, 9579495, 19158990]

約数ペア:

[(1, 19158990), (2, 9579495), (3, 6386330), (5, 3831798), (6, 3193165), (10, 1915899), (15, 1277266), (30, 638633)]