18158499

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{13187}}^1$

素因数の和:13216

約数の個数: 20

約数和(自身を含む): 28723464

約数和(自身を除く): 10564965

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 13187, 39561, 118683, 224179, 356049, 672537, 1068147, 2017611, 6052833, 18158499]

約数ペア:

[(1, 18158499), (3, 6052833), (9, 2017611), (17, 1068147), (27, 672537), (51, 356049), (81, 224179), (153, 118683), (459, 39561), (1377, 13187)]