19858023

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1213}}^1$

素因数の和:1343

約数の個数: 24

約数和(自身を含む): 30680208

約数和(自身を除く): 10822185

約数列:

[1, 3, 9, 17, 51, 107, 153, 321, 963, 1213, 1819, 3639, 5457, 10917, 16371, 20621, 61863, 129791, 185589, 389373, 1168119, 2206447, 6619341, 19858023]

約数ペア:

[(1, 19858023), (3, 6619341), (9, 2206447), (17, 1168119), (51, 389373), (107, 185589), (153, 129791), (321, 61863), (963, 20621), (1213, 16371), (1819, 10917), (3639, 5457)]