19747767

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{4481}}^1$

素因数の和:4610

約数の個数: 16

約数和(自身を含む): 28613088

約数和(自身を除く): 8865321

約数列:

[1, 3, 13, 39, 113, 339, 1469, 4407, 4481, 13443, 58253, 174759, 506353, 1519059, 6582589, 19747767]

約数ペア:

[(1, 19747767), (3, 6582589), (13, 1519059), (39, 506353), (113, 174759), (339, 58253), (1469, 13443), (4407, 4481)]