18676021

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{15787}}^1$

素因数の和:15820

約数の個数: 12

約数和(自身を含む): 23113632

約数和(自身を除く): 4437611

約数列:

[1, 7, 13, 91, 169, 1183, 15787, 110509, 205231, 1436617, 2668003, 18676021]

約数ペア:

[(1, 18676021), (7, 2668003), (13, 1436617), (91, 205231), (169, 110509), (1183, 15787)]