19153780

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{2713}}^1$

素因数の和:3075

約数の個数: 24

約数和(自身を含む): 40351752

約数和(自身を除く): 21197972

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 2713, 3530, 5426, 7060, 10852, 13565, 27130, 54260, 957689, 1915378, 3830756, 4788445, 9576890, 19153780]

約数ペア:

[(1, 19153780), (2, 9576890), (4, 4788445), (5, 3830756), (10, 1915378), (20, 957689), (353, 54260), (706, 27130), (1412, 13565), (1765, 10852), (2713, 7060), (3530, 5426)]