18818109

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{11813}}^1$

素因数の和:11881

約数の個数: 16

約数和(自身を含む): 28353600

約数和(自身を除く): 9535491

約数列:

[1, 3, 9, 27, 59, 177, 531, 1593, 11813, 35439, 106317, 318951, 696967, 2090901, 6272703, 18818109]

約数ペア:

[(1, 18818109), (3, 6272703), (9, 2090901), (27, 696967), (59, 318951), (177, 106317), (531, 35439), (1593, 11813)]