19568115

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{20707}}^1$

素因数の和:20728

約数の個数: 32

約数和(自身を含む): 39759360

約数和(自身を除く): 20191245

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 20707, 62121, 103535, 144949, 186363, 310605, 434847, 559089, 724745, 931815, 1304541, 2174235, 2795445, 3913623, 6522705, 19568115]

約数ペア:

[(1, 19568115), (3, 6522705), (5, 3913623), (7, 2795445), (9, 2174235), (15, 1304541), (21, 931815), (27, 724745), (35, 559089), (45, 434847), (63, 310605), (105, 186363), (135, 144949), (189, 103535), (315, 62121), (945, 20707)]