17933721

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{19993}}^1$

素因数の和:20032

約数の個数: 16

約数和(自身を含む): 26871936

約数和(自身を除く): 8938215

約数列:

[1, 3, 13, 23, 39, 69, 299, 897, 19993, 59979, 259909, 459839, 779727, 1379517, 5977907, 17933721]

約数ペア:

[(1, 17933721), (3, 5977907), (13, 1379517), (23, 779727), (39, 459839), (69, 259909), (299, 59979), (897, 19993)]