19293507

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{311}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 28667808

約数和(自身を除く): 9374301

約数列:

[1, 3, 9, 61, 113, 183, 311, 339, 549, 933, 1017, 2799, 6893, 18971, 20679, 35143, 56913, 62037, 105429, 170739, 316287, 2143723, 6431169, 19293507]

約数ペア:

[(1, 19293507), (3, 6431169), (9, 2143723), (61, 316287), (113, 170739), (183, 105429), (311, 62037), (339, 56913), (549, 35143), (933, 20679), (1017, 18971), (2799, 6893)]