18966493

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{7187}}^1$

素因数の和:7236

約数の個数: 16

約数和(自身を含む): 24151680

約数和(自身を除く): 5185187

約数列:

[1, 7, 13, 29, 91, 203, 377, 2639, 7187, 50309, 93431, 208423, 654017, 1458961, 2709499, 18966493]

約数ペア:

[(1, 18966493), (7, 2709499), (13, 1458961), (29, 654017), (91, 208423), (203, 93431), (377, 50309), (2639, 7187)]