19864227

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{2671}}^1$

素因数の和:2778

約数の個数: 16

約数和(自身を含む): 27617792

約数和(自身を除く): 7753565

約数列:

[1, 3, 37, 67, 111, 201, 2479, 2671, 7437, 8013, 98827, 178957, 296481, 536871, 6621409, 19864227]

約数ペア:

[(1, 19864227), (3, 6621409), (37, 536871), (67, 296481), (111, 178957), (201, 98827), (2479, 8013), (2671, 7437)]