19847191

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{883}}^1$

素因数の和:935

約数の個数: 24

約数和(自身を含む): 25883520

約数和(自身を除く): 6036329

約数列:

[1, 7, 13, 19, 91, 133, 169, 247, 883, 1183, 1729, 3211, 6181, 11479, 16777, 22477, 80353, 117439, 149227, 218101, 1044589, 1526707, 2835313, 19847191]

約数ペア:

[(1, 19847191), (7, 2835313), (13, 1526707), (19, 1044589), (91, 218101), (133, 149227), (169, 117439), (247, 80353), (883, 22477), (1183, 16777), (1729, 11479), (3211, 6181)]