19891573

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{937}}^1$

素因数の和:1044

約数の個数: 16

約数和(自身を含む): 22692096

約数和(自身を除く): 2800523

約数列:

[1, 13, 23, 71, 299, 923, 937, 1633, 12181, 21229, 21551, 66527, 280163, 864851, 1530121, 19891573]

約数ペア:

[(1, 19891573), (13, 1530121), (23, 864851), (71, 280163), (299, 66527), (923, 21551), (937, 21229), (1633, 12181)]