39407824

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{129631}}^1$

素因数の和:129658

約数の個数: 20

約数和(自身を含む): 80371840

約数和(自身を除く): 40964016

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 129631, 259262, 518524, 1037048, 2074096, 2462989, 4925978, 9851956, 19703912, 39407824]

約数ペア:

[(1, 39407824), (2, 19703912), (4, 9851956), (8, 4925978), (16, 2462989), (19, 2074096), (38, 1037048), (76, 518524), (152, 259262), (304, 129631)]