19919317

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1523}}^1$

素因数の和:1604

約数の個数: 16

約数和(自身を含む): 23042880

約数和(自身を除く): 3123563

約数列:

[1, 11, 29, 41, 319, 451, 1189, 1523, 13079, 16753, 44167, 62443, 485837, 686873, 1810847, 19919317]

約数ペア:

[(1, 19919317), (11, 1810847), (29, 686873), (41, 485837), (319, 62443), (451, 44167), (1189, 16753), (1523, 13079)]