19790967

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{25471}}^1$

素因数の和:25518

約数の個数: 16

約数和(自身を含む): 30973952

約数和(自身を除く): 11182985

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 25471, 76413, 178297, 534891, 942427, 2827281, 6596989, 19790967]

約数ペア:

[(1, 19790967), (3, 6596989), (7, 2827281), (21, 942427), (37, 534891), (111, 178297), (259, 76413), (777, 25471)]