18528861

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{27947}}^1$

素因数の和:27980

約数の個数: 16

約数和(自身を含む): 28171584

約数和(自身を除く): 9642723

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 27947, 83841, 363311, 475099, 1089933, 1425297, 6176287, 18528861]

約数ペア:

[(1, 18528861), (3, 6176287), (13, 1425297), (17, 1089933), (39, 475099), (51, 363311), (221, 83841), (663, 27947)]