18086817

素因数分解:

$3^1\times 7^1\times {\mathrm{887}}^1\times {\mathrm{971}}^1$

素因数の和:1868

約数の個数: 16

約数和(自身を含む): 27620352

約数和(自身を除く): 9533535

約数列:

[1, 3, 7, 21, 887, 971, 2661, 2913, 6209, 6797, 18627, 20391, 861277, 2583831, 6028939, 18086817]

約数ペア:

[(1, 18086817), (3, 6028939), (7, 2583831), (21, 861277), (887, 20391), (971, 18627), (2661, 6797), (2913, 6209)]