19928397

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{1117}}^1$

素因数の和:1452

約数の個数: 16

約数和(自身を含む): 28084160

約数和(自身を除く): 8155763

約数列:

[1, 3, 19, 57, 313, 939, 1117, 3351, 5947, 17841, 21223, 63669, 349621, 1048863, 6642799, 19928397]

約数ペア:

[(1, 19928397), (3, 6642799), (19, 1048863), (57, 349621), (313, 63669), (939, 21223), (1117, 17841), (3351, 5947)]