19903059

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1583}}^1$

素因数の和:1727

約数の個数: 24

約数和(自身を含む): 31629312

約数和(自身を除く): 11726253

約数列:

[1, 3, 9, 11, 33, 99, 127, 381, 1143, 1397, 1583, 4191, 4749, 12573, 14247, 17413, 52239, 156717, 201041, 603123, 1809369, 2211451, 6634353, 19903059]

約数ペア:

[(1, 19903059), (3, 6634353), (9, 2211451), (11, 1809369), (33, 603123), (99, 201041), (127, 156717), (381, 52239), (1143, 17413), (1397, 14247), (1583, 12573), (4191, 4749)]