18856557

素因数分解:

$3^5\times {\mathrm{73}}^1\times {\mathrm{1063}}^1$

素因数の和:1151

約数の個数: 24

約数和(自身を含む): 28659904

約数和(自身を除く): 9803347

約数列:

[1, 3, 9, 27, 73, 81, 219, 243, 657, 1063, 1971, 3189, 5913, 9567, 17739, 28701, 77599, 86103, 232797, 258309, 698391, 2095173, 6285519, 18856557]

約数ペア:

[(1, 18856557), (3, 6285519), (9, 2095173), (27, 698391), (73, 258309), (81, 232797), (219, 86103), (243, 77599), (657, 28701), (1063, 17739), (1971, 9567), (3189, 5913)]