19806550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{20849}}^1$

素因数の和:20880

約数の個数: 24

約数和(自身を含む): 38781000

約数和(自身を除く): 18974450

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 20849, 41698, 104245, 208490, 396131, 521225, 792262, 1042450, 1980655, 3961310, 9903275, 19806550]

約数ペア:

[(1, 19806550), (2, 9903275), (5, 3961310), (10, 1980655), (19, 1042450), (25, 792262), (38, 521225), (50, 396131), (95, 208490), (190, 104245), (475, 41698), (950, 20849)]