18031543

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:426

約数の個数: 16

約数和(自身を含む): 19863360

約数和(自身を除く): 1831817

約数列:

[1, 17, 37, 109, 263, 629, 1853, 4033, 4471, 9731, 28667, 68561, 165427, 487339, 1060679, 18031543]

約数ペア:

[(1, 18031543), (17, 1060679), (37, 487339), (109, 165427), (263, 68561), (629, 28667), (1853, 9731), (4033, 4471)]