17381819

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{2099}}^1$

素因数の和:2139

約数の個数: 18

約数和(自身を含む): 21905100

約数和(自身を除く): 4523281

約数列:

[1, 7, 13, 49, 91, 169, 637, 1183, 2099, 8281, 14693, 27287, 102851, 191009, 354731, 1337063, 2483117, 17381819]

約数ペア:

[(1, 17381819), (7, 2483117), (13, 1337063), (49, 354731), (91, 191009), (169, 102851), (637, 27287), (1183, 14693), (2099, 8281)]