18778041

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{16963}}^1$

素因数の和:17013

約数の個数: 16

約数和(自身を含む): 28499520

約数和(自身を除く): 9721479

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 16963, 50889, 152667, 458001, 695483, 2086449, 6259347, 18778041]

約数ペア:

[(1, 18778041), (3, 6259347), (9, 2086449), (27, 695483), (41, 458001), (123, 152667), (369, 50889), (1107, 16963)]