18711147

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{68539}}^1$

素因数の和:68562

約数の個数: 16

約数和(自身を含む): 30705920

約数和(自身を除く): 11994773

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 68539, 205617, 479773, 891007, 1439319, 2673021, 6237049, 18711147]

約数ペア:

[(1, 18711147), (3, 6237049), (7, 2673021), (13, 1439319), (21, 891007), (39, 479773), (91, 205617), (273, 68539)]