18673983

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{5623}}^1$

素因数の和:5676

約数の個数: 20

約数和(自身を含む): 28581168

約数和(自身を除く): 9907185

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 5623, 16869, 50607, 151821, 230543, 455463, 691629, 2074887, 6224661, 18673983]

約数ペア:

[(1, 18673983), (3, 6224661), (9, 2074887), (27, 691629), (41, 455463), (81, 230543), (123, 151821), (369, 50607), (1107, 16869), (3321, 5623)]