19896685

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1367}}^1$

素因数の和:1484

約数の個数: 16

約数和(自身を含む): 24820992

約数和(自身を除く): 4924307

約数列:

[1, 5, 41, 71, 205, 355, 1367, 2911, 6835, 14555, 56047, 97057, 280235, 485285, 3979337, 19896685]

約数ペア:

[(1, 19896685), (5, 3979337), (41, 485285), (71, 280235), (205, 97057), (355, 56047), (1367, 14555), (2911, 6835)]