19885827

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{1151}}^1$

素因数の和:1610

約数の個数: 16

約数和(自身を含む): 28643328

約数和(自身を除く): 8757501

約数列:

[1, 3, 13, 39, 443, 1151, 1329, 3453, 5759, 14963, 17277, 44889, 509893, 1529679, 6628609, 19885827]

約数ペア:

[(1, 19885827), (3, 6628609), (13, 1529679), (39, 509893), (443, 44889), (1151, 17277), (1329, 14963), (3453, 5759)]