18886203

素因数分解:

$3^6\times 7^1\times {\mathrm{3701}}^1$

素因数の和:3726

約数の個数: 28

約数和(自身を含む): 32370288

約数和(自身を除く): 13484085

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 3701, 5103, 11103, 25907, 33309, 77721, 99927, 233163, 299781, 699489, 899343, 2098467, 2698029, 6295401, 18886203]

約数ペア:

[(1, 18886203), (3, 6295401), (7, 2698029), (9, 2098467), (21, 899343), (27, 699489), (63, 299781), (81, 233163), (189, 99927), (243, 77721), (567, 33309), (729, 25907), (1701, 11103), (3701, 5103)]