18706849

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3271}}^1$

素因数の和:3340

約数の個数: 16

約数和(自身を含む): 23034880

約数和(自身を除く): 4328031

約数列:

[1, 7, 19, 43, 133, 301, 817, 3271, 5719, 22897, 62149, 140653, 435043, 984571, 2672407, 18706849]

約数ペア:

[(1, 18706849), (7, 2672407), (19, 984571), (43, 435043), (133, 140653), (301, 62149), (817, 22897), (3271, 5719)]