18857267

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7757}}^1$

素因数の和:7798

約数の個数: 16

約数和(自身を含む): 23460192

約数和(自身を除く): 4602925

約数列:

[1, 11, 13, 17, 143, 187, 221, 2431, 7757, 85327, 100841, 131869, 1109251, 1450559, 1714297, 18857267]

約数ペア:

[(1, 18857267), (11, 1714297), (13, 1450559), (17, 1109251), (143, 131869), (187, 100841), (221, 85327), (2431, 7757)]