18220774

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{63709}}^1$

素因数の和:63735

約数の個数: 16

約数和(自身を含む): 32109840

約数和(自身を除く): 13889066

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 63709, 127418, 700799, 828217, 1401598, 1656434, 9110387, 18220774]

約数ペア:

[(1, 18220774), (2, 9110387), (11, 1656434), (13, 1401598), (22, 828217), (26, 700799), (143, 127418), (286, 63709)]