18667503

素因数分解:

$3^6\times {\mathrm{29}}^1\times {\mathrm{883}}^1$

素因数の和:930

約数の個数: 28

約数和(自身を含む): 28986360

約数和(自身を除く): 10318857

約数列:

[1, 3, 9, 27, 29, 81, 87, 243, 261, 729, 783, 883, 2349, 2649, 7047, 7947, 21141, 23841, 25607, 71523, 76821, 214569, 230463, 643707, 691389, 2074167, 6222501, 18667503]

約数ペア:

[(1, 18667503), (3, 6222501), (9, 2074167), (27, 691389), (29, 643707), (81, 230463), (87, 214569), (243, 76821), (261, 71523), (729, 25607), (783, 23841), (883, 21141), (2349, 7947), (2649, 7047)]