18810857

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1811}}^1$

素因数の和:1888

約数の個数: 16

約数和(自身を含む): 21917952

約数和(自身を除く): 3107095

約数列:

[1, 13, 17, 47, 221, 611, 799, 1811, 10387, 23543, 30787, 85117, 400231, 1106521, 1446989, 18810857]

約数ペア:

[(1, 18810857), (13, 1446989), (17, 1106521), (47, 400231), (221, 85117), (611, 30787), (799, 23543), (1811, 10387)]