18838737

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{13681}}^1$

素因数の和:13710

約数の個数: 20

約数和(自身を含む): 29799396

約数和(自身を除く): 10960659

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 13681, 41043, 123129, 232577, 369387, 697731, 1108161, 2093193, 6279579, 18838737]

約数ペア:

[(1, 18838737), (3, 6279579), (9, 2093193), (17, 1108161), (27, 697731), (51, 369387), (81, 232577), (153, 123129), (459, 41043), (1377, 13681)]