16920431

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{4261}}^1$

素因数の和:4310

約数の個数: 12

約数和(自身を含む): 19485864

約数和(自身を除く): 2565433

約数列:

[1, 11, 19, 209, 361, 3971, 4261, 46871, 80959, 890549, 1538221, 16920431]

約数ペア:

[(1, 16920431), (11, 1538221), (19, 890549), (209, 80959), (361, 46871), (3971, 4261)]