20181722

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{5843}}^1$

素因数の和:6013

約数の個数: 16

約数和(自身を含む): 33240672

約数和(自身を除く): 13058950

約数列:

[1, 2, 11, 22, 157, 314, 1727, 3454, 5843, 11686, 64273, 128546, 917351, 1834702, 10090861, 20181722]

約数ペア:

[(1, 20181722), (2, 10090861), (11, 1834702), (22, 917351), (157, 128546), (314, 64273), (1727, 11686), (3454, 5843)]