18736119

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:455

約数の個数: 24

約数和(自身を含む): 27799200

約数和(自身を除く): 9063081

約数列:

[1, 3, 9, 71, 109, 213, 269, 327, 639, 807, 981, 2421, 7739, 19099, 23217, 29321, 57297, 69651, 87963, 171891, 263889, 2081791, 6245373, 18736119]

約数ペア:

[(1, 18736119), (3, 6245373), (9, 2081791), (71, 263889), (109, 171891), (213, 87963), (269, 69651), (327, 57297), (639, 29321), (807, 23217), (981, 19099), (2421, 7739)]