19126580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{86939}}^1$

素因数の和:86959

約数の個数: 24

約数和(自身を含む): 43817760

約数和(自身を除く): 24691180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 86939, 173878, 347756, 434695, 869390, 956329, 1738780, 1912658, 3825316, 4781645, 9563290, 19126580]

約数ペア:

[(1, 19126580), (2, 9563290), (4, 4781645), (5, 3825316), (10, 1912658), (11, 1738780), (20, 956329), (22, 869390), (44, 434695), (55, 347756), (110, 173878), (220, 86939)]