18513321

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{3779}}^1$

素因数の和:3876

約数の個数: 16

約数和(自身を含む): 26127360

約数和(自身を除く): 7614039

約数列:

[1, 3, 23, 69, 71, 213, 1633, 3779, 4899, 11337, 86917, 260751, 268309, 804927, 6171107, 18513321]

約数ペア:

[(1, 18513321), (3, 6171107), (23, 804927), (69, 268309), (71, 260751), (213, 86917), (1633, 11337), (3779, 4899)]