19738647

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{2801}}^1$

素因数の和:2845

約数の個数: 24

約数和(自身を含む): 30597840

約数和(自身を除く): 10859193

約数列:

[1, 3, 9, 27, 29, 81, 87, 243, 261, 783, 2349, 2801, 7047, 8403, 25209, 75627, 81229, 226881, 243687, 680643, 731061, 2193183, 6579549, 19738647]

約数ペア:

[(1, 19738647), (3, 6579549), (9, 2193183), (27, 731061), (29, 680643), (81, 243687), (87, 226881), (243, 81229), (261, 75627), (783, 25209), (2349, 8403), (2801, 7047)]