18138263

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{887}}^1$

素因数の和:935

約数の個数: 18

約数和(自身を含む): 21613032

約数和(自身を除く): 3474769

約数列:

[1, 11, 13, 121, 143, 169, 887, 1573, 1859, 9757, 11531, 20449, 107327, 126841, 149903, 1395251, 1648933, 18138263]

約数ペア:

[(1, 18138263), (11, 1648933), (13, 1395251), (121, 149903), (143, 126841), (169, 107327), (887, 20449), (1573, 11531), (1859, 9757)]