19925581

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{3109}}^1$

素因数の和:3168

約数の個数: 16

約数和(自身を含む): 23511600

約数和(自身を除く): 3586019

約数列:

[1, 13, 17, 29, 221, 377, 493, 3109, 6409, 40417, 52853, 90161, 687089, 1172093, 1532737, 19925581]

約数ペア:

[(1, 19925581), (13, 1532737), (17, 1172093), (29, 687089), (221, 90161), (377, 52853), (493, 40417), (3109, 6409)]