18537274847

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{20147}}^1\times {\mathrm{10111}}^1$

素因数の和:30278

約数の個数: 16

約数和(自身を含む): 22818496512

約数和(自身を除く): 4281221665

約数列:

[1, 7, 13, 91, 10111, 20147, 70777, 131443, 141029, 261911, 920101, 1833377, 203706317, 1425944219, 2648182121, 18537274847]

約数ペア:

[(1, 18537274847), (7, 2648182121), (13, 1425944219), (91, 203706317), (10111, 1833377), (20147, 920101), (70777, 261911), (131443, 141029)]