19102525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1109}}^1$

素因数の和:1185

約数の個数: 24

約数和(自身を含む): 26013960

約数和(自身を除く): 6911435

約数列:

[1, 5, 13, 25, 53, 65, 265, 325, 689, 1109, 1325, 3445, 5545, 14417, 17225, 27725, 58777, 72085, 293885, 360425, 764101, 1469425, 3820505, 19102525]

約数ペア:

[(1, 19102525), (5, 3820505), (13, 1469425), (25, 764101), (53, 360425), (65, 293885), (265, 72085), (325, 58777), (689, 27725), (1109, 17225), (1325, 14417), (3445, 5545)]