18825399

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{4441}}^1$

素因数の和:4607

約数の個数: 16

約数和(自身を含む): 28073440

約数和(自身を除く): 9248041

約数列:

[1, 3, 9, 27, 157, 471, 1413, 4239, 4441, 13323, 39969, 119907, 697237, 2091711, 6275133, 18825399]

約数ペア:

[(1, 18825399), (3, 6275133), (9, 2091711), (27, 697237), (157, 119907), (471, 39969), (1413, 13323), (4239, 4441)]