19977183775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{739}}^1\times {\mathrm{56911}}^1$

素因数の和:57679

約数の個数: 24

約数和(自身を含む): 26111225600

約数和(自身を除く): 6134041825

約数列:

[1, 5, 19, 25, 95, 475, 739, 3695, 14041, 18475, 56911, 70205, 284555, 351025, 1081309, 1422775, 5406545, 27032725, 42057229, 210286145, 799087351, 1051430725, 3995436755, 19977183775]

約数ペア:

[(1, 19977183775), (5, 3995436755), (19, 1051430725), (25, 799087351), (95, 210286145), (475, 42057229), (739, 27032725), (3695, 5406545), (14041, 1422775), (18475, 1081309), (56911, 351025), (70205, 284555)]