18928221

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{2083}}^1$

素因数の和:2332

約数の個数: 16

約数和(自身を含む): 27308736

約数和(自身を除く): 8380515

約数列:

[1, 3, 13, 39, 233, 699, 2083, 3029, 6249, 9087, 27079, 81237, 485339, 1456017, 6309407, 18928221]

約数ペア:

[(1, 18928221), (3, 6309407), (13, 1456017), (39, 485339), (233, 81237), (699, 27079), (2083, 9087), (3029, 6249)]