18907229

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 21441024

約数和(自身を除く): 2533795

約数列:

[1, 11, 43, 71, 473, 563, 781, 3053, 6193, 24209, 33583, 39973, 266299, 439703, 1718839, 18907229]

約数ペア:

[(1, 18907229), (11, 1718839), (43, 439703), (71, 266299), (473, 39973), (563, 33583), (781, 24209), (3053, 6193)]