18430027

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1103}}^1$

素因数の和:1159

約数の個数: 24

約数和(自身を含む): 24164352

約数和(自身を除く): 5734325

約数列:

[1, 7, 11, 31, 49, 77, 217, 341, 539, 1103, 1519, 2387, 7721, 12133, 16709, 34193, 54047, 84931, 239351, 376123, 594517, 1675457, 2632861, 18430027]

約数ペア:

[(1, 18430027), (7, 2632861), (11, 1675457), (31, 594517), (49, 376123), (77, 239351), (217, 84931), (341, 54047), (539, 34193), (1103, 16709), (1519, 12133), (2387, 7721)]