19825685

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{5077}}^1$

素因数の和:5164

約数の個数: 16

約数和(自身を含む): 26324352

約数和(自身を除く): 6498667

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 5077, 25385, 55847, 279235, 360467, 1802335, 3965137, 19825685]

約数ペア:

[(1, 19825685), (5, 3965137), (11, 1802335), (55, 360467), (71, 279235), (355, 55847), (781, 25385), (3905, 5077)]