19385290

素因数分解:

$2^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{8111}}^1$

素因数の和:8357

約数の個数: 16

約数和(自身を含む): 35043840

約数和(自身を除く): 15658550

約数列:

[1, 2, 5, 10, 239, 478, 1195, 2390, 8111, 16222, 40555, 81110, 1938529, 3877058, 9692645, 19385290]

約数ペア:

[(1, 19385290), (2, 9692645), (5, 3877058), (10, 1938529), (239, 81110), (478, 40555), (1195, 16222), (2390, 8111)]