19883773

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4649}}^1$

素因数の和:4716

約数の個数: 16

約数和(自身を含む): 24998400

約数和(自身を除く): 5114627

約数列:

[1, 7, 13, 47, 91, 329, 611, 4277, 4649, 32543, 60437, 218503, 423059, 1529521, 2840539, 19883773]

約数ペア:

[(1, 19883773), (7, 2840539), (13, 1529521), (47, 423059), (91, 218503), (329, 60437), (611, 32543), (4277, 4649)]