19914719

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{593}}^1$

素因数の和:718

約数の個数: 16

約数和(自身を含む): 22581504

約数和(自身を除く): 2666785

約数列:

[1, 11, 43, 71, 473, 593, 781, 3053, 6523, 25499, 33583, 42103, 280489, 463133, 1810429, 19914719]

約数ペア:

[(1, 19914719), (11, 1810429), (43, 463133), (71, 280489), (473, 42103), (593, 33583), (781, 25499), (3053, 6523)]