19226440

素因数分解:

$2^3\times 5^1\times {\mathrm{480661}}^1$

素因数の和:480672

約数の個数: 16

約数和(自身を含む): 43259580

約数和(自身を除く): 24033140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 480661, 961322, 1922644, 2403305, 3845288, 4806610, 9613220, 19226440]

約数ペア:

[(1, 19226440), (2, 9613220), (4, 4806610), (5, 3845288), (8, 2403305), (10, 1922644), (20, 961322), (40, 480661)]