18922841

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1949}}^1$

素因数の和:2048

約数の個数: 16

約数和(自身を含む): 23088000

約数和(自身を除く): 4165159

約数列:

[1, 7, 19, 73, 133, 511, 1387, 1949, 9709, 13643, 37031, 142277, 259217, 995939, 2703263, 18922841]

約数ペア:

[(1, 18922841), (7, 2703263), (19, 995939), (73, 259217), (133, 142277), (511, 37031), (1387, 13643), (1949, 9709)]