18929495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{7103}}^1$

素因数の和:7162

約数の個数: 16

約数和(自身を含む): 25062912

約数和(自身を除く): 6133417

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 7103, 35515, 92339, 291223, 461695, 1456115, 3785899, 18929495]

約数ペア:

[(1, 18929495), (5, 3785899), (13, 1456115), (41, 461695), (65, 291223), (205, 92339), (533, 35515), (2665, 7103)]