18420639

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{1439}}^1$

素因数の和:1710

約数の個数: 16

約数和(自身を含む): 26127360

約数和(自身を除く): 7706721

約数列:

[1, 3, 17, 51, 251, 753, 1439, 4267, 4317, 12801, 24463, 73389, 361189, 1083567, 6140213, 18420639]

約数ペア:

[(1, 18420639), (3, 6140213), (17, 1083567), (51, 361189), (251, 73389), (753, 24463), (1439, 12801), (4267, 4317)]