2019490875

素因数分解:

$3^2\times 5^3\times {\mathrm{41}}^1\times {\mathrm{43783}}^1$

素因数の和:43845

約数の個数: 48

約数和(自身を含む): 3729345984

約数和(自身を除く): 1709855109

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 75, 123, 125, 205, 225, 369, 375, 615, 1025, 1125, 1845, 3075, 5125, 9225, 15375, 43783, 46125, 131349, 218915, 394047, 656745, 1094575, 1795103, 1970235, 3283725, 5385309, 5472875, 8975515, 9851175, 16155927, 16418625, 26926545, 44877575, 49255875, 80779635, 134632725, 224387875, 403898175, 673163625, 2019490875]

約数ペア:

[(1, 2019490875), (3, 673163625), (5, 403898175), (9, 224387875), (15, 134632725), (25, 80779635), (41, 49255875), (45, 44877575), (75, 26926545), (123, 16418625), (125, 16155927), (205, 9851175), (225, 8975515), (369, 5472875), (375, 5385309), (615, 3283725), (1025, 1970235), (1125, 1795103), (1845, 1094575), (3075, 656745), (5125, 394047), (9225, 218915), (15375, 131349), (43783, 46125)]