18647631

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{9461}}^1$

素因数の和:9543

約数の個数: 16

約数和(自身を含む): 28007520

約数和(自身を除く): 9359889

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 9461, 28383, 85149, 255447, 690653, 2071959, 6215877, 18647631]

約数ペア:

[(1, 18647631), (3, 6215877), (9, 2071959), (27, 690653), (73, 255447), (219, 85149), (657, 28383), (1971, 9461)]