18835173

素因数分解:

$3^6\times 7^1\times {\mathrm{3691}}^1$

素因数の和:3716

約数の個数: 28

約数和(自身を含む): 32282848

約数和(自身を除く): 13447675

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 3691, 5103, 11073, 25837, 33219, 77511, 99657, 232533, 298971, 697599, 896913, 2092797, 2690739, 6278391, 18835173]

約数ペア:

[(1, 18835173), (3, 6278391), (7, 2690739), (9, 2092797), (21, 896913), (27, 697599), (63, 298971), (81, 232533), (189, 99657), (243, 77511), (567, 33219), (729, 25837), (1701, 11073), (3691, 5103)]