19840023

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{7681}}^1$

素因数の和:7735

約数の個数: 24

約数和(自身を含む): 33554976

約数和(自身を除く): 13714953

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 7681, 23043, 53767, 69129, 161301, 314921, 483903, 944763, 2204447, 2834289, 6613341, 19840023]

約数ペア:

[(1, 19840023), (3, 6613341), (7, 2834289), (9, 2204447), (21, 944763), (41, 483903), (63, 314921), (123, 161301), (287, 69129), (369, 53767), (861, 23043), (2583, 7681)]