19791849

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{7789}}^1$

素因数の和:7821

約数の個数: 24

約数和(自身を含む): 33154240

約数和(自身を除く): 13362391

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 7789, 23367, 54523, 85679, 163569, 257037, 599753, 942469, 1799259, 2827407, 6597283, 19791849]

約数ペア:

[(1, 19791849), (3, 6597283), (7, 2827407), (11, 1799259), (21, 942469), (33, 599753), (77, 257037), (121, 163569), (231, 85679), (363, 54523), (847, 23367), (2541, 7789)]