19589219

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{647}}^1$

素因数の和:814

約数の個数: 16

約数和(自身を含む): 22534848

約数和(自身を除く): 2945629

約数列:

[1, 13, 17, 137, 221, 647, 1781, 2329, 8411, 10999, 30277, 88639, 142987, 1152307, 1506863, 19589219]

約数ペア:

[(1, 19589219), (13, 1506863), (17, 1152307), (137, 142987), (221, 88639), (647, 30277), (1781, 10999), (2329, 8411)]