19423683

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{269}}^1$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 28810080

約数和(自身を除く): 9386397

約数列:

[1, 3, 9, 71, 113, 213, 269, 339, 639, 807, 1017, 2421, 8023, 19099, 24069, 30397, 57297, 72207, 91191, 171891, 273573, 2158187, 6474561, 19423683]

約数ペア:

[(1, 19423683), (3, 6474561), (9, 2158187), (71, 273573), (113, 171891), (213, 91191), (269, 72207), (339, 57297), (639, 30397), (807, 24069), (1017, 19099), (2421, 8023)]