19318905

素因数分解:

$3^4\times 5^1\times {\mathrm{47701}}^1$

素因数の和:47718

約数の個数: 20

約数和(自身を含む): 34631652

約数和(自身を除く): 15312747

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 47701, 143103, 238505, 429309, 715515, 1287927, 2146545, 3863781, 6439635, 19318905]

約数ペア:

[(1, 19318905), (3, 6439635), (5, 3863781), (9, 2146545), (15, 1287927), (27, 715515), (45, 429309), (81, 238505), (135, 143103), (405, 47701)]