18645137

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{2861}}^1$

素因数の和:2901

約数の個数: 16

約数和(自身を含む): 22896000

約数和(自身を除く): 4250863

約数列:

[1, 7, 19, 49, 133, 343, 931, 2861, 6517, 20027, 54359, 140189, 380513, 981323, 2663591, 18645137]

約数ペア:

[(1, 18645137), (7, 2663591), (19, 981323), (49, 380513), (133, 140189), (343, 54359), (931, 20027), (2861, 6517)]