18883250721

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{31315507}}^1$

素因数の和:31315580

約数の個数: 12

約数和(自身を含む): 27682909072

約数和(自身を除く): 8799658351

約数列:

[1, 3, 9, 67, 201, 603, 31315507, 93946521, 281839563, 2098138969, 6294416907, 18883250721]

約数ペア:

[(1, 18883250721), (3, 6294416907), (9, 2098138969), (67, 281839563), (201, 93946521), (603, 31315507)]