18867914

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{5297}}^1$

素因数の和:5449

約数の個数: 16

約数和(自身を含む): 30707208

約数和(自身を除く): 11839294

約数列:

[1, 2, 13, 26, 137, 274, 1781, 3562, 5297, 10594, 68861, 137722, 725689, 1451378, 9433957, 18867914]

約数ペア:

[(1, 18867914), (2, 9433957), (13, 1451378), (26, 725689), (137, 137722), (274, 68861), (1781, 10594), (3562, 5297)]