18638579

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{653}}^1$

素因数の和:766

約数の個数: 16

約数和(自身を含む): 20907072

約数和(自身を除く): 2268493

約数列:

[1, 17, 23, 73, 391, 653, 1241, 1679, 11101, 15019, 28543, 47669, 255323, 810373, 1096387, 18638579]

約数ペア:

[(1, 18638579), (17, 1096387), (23, 810373), (73, 255323), (391, 47669), (653, 28543), (1241, 15019), (1679, 11101)]