18764493

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{6389}}^1$

素因数の和:6492

約数の個数: 16

約数和(自身を含む): 27604800

約数和(自身を除く): 8840307

約数列:

[1, 3, 11, 33, 89, 267, 979, 2937, 6389, 19167, 70279, 210837, 568621, 1705863, 6254831, 18764493]

約数ペア:

[(1, 18764493), (3, 6254831), (11, 1705863), (33, 568621), (89, 210837), (267, 70279), (979, 19167), (2937, 6389)]