19955718

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{15187}}^1$

素因数の和:15268

約数の個数: 24

約数和(自身を含む): 43832568

約数和(自身を除く): 23876850

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 219, 438, 657, 1314, 15187, 30374, 45561, 91122, 136683, 273366, 1108651, 2217302, 3325953, 6651906, 9977859, 19955718]

約数ペア:

[(1, 19955718), (2, 9977859), (3, 6651906), (6, 3325953), (9, 2217302), (18, 1108651), (73, 273366), (146, 136683), (219, 91122), (438, 45561), (657, 30374), (1314, 15187)]