27639604

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{19141}}^1$

素因数の和:19183

約数の個数: 18

約数和(自身を含む): 51051714

約数和(自身を除く): 23412110

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 19141, 38282, 76564, 363679, 727358, 1454716, 6909901, 13819802, 27639604]

約数ペア:

[(1, 27639604), (2, 13819802), (4, 6909901), (19, 1454716), (38, 727358), (76, 363679), (361, 76564), (722, 38282), (1444, 19141)]