18936827

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12241}}^1$

素因数の和:12278

約数の個数: 16

約数和(自身を含む): 24679872

約数和(自身を除く): 5743045

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 12241, 85687, 159133, 208097, 1113931, 1456679, 2705261, 18936827]

約数ペア:

[(1, 18936827), (7, 2705261), (13, 1456679), (17, 1113931), (91, 208097), (119, 159133), (221, 85687), (1547, 12241)]