19666449

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2879}}^1$

素因数の和:2922

約数の個数: 32

約数和(自身を含む): 33177600

約数和(自身を除く): 13511151

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 99, 207, 253, 297, 621, 759, 2277, 2879, 6831, 8637, 25911, 31669, 66217, 77733, 95007, 198651, 285021, 595953, 728387, 855063, 1787859, 2185161, 6555483, 19666449]

約数ペア:

[(1, 19666449), (3, 6555483), (9, 2185161), (11, 1787859), (23, 855063), (27, 728387), (33, 595953), (69, 285021), (99, 198651), (207, 95007), (253, 77733), (297, 66217), (621, 31669), (759, 25911), (2277, 8637), (2879, 6831)]