19494027

素因数分解:

$3^4\times 7^1\times {\mathrm{34381}}^1$

素因数の和:34400

約数の個数: 20

約数和(自身を含む): 33281776

約数和(自身を除く): 13787749

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 34381, 103143, 240667, 309429, 722001, 928287, 2166003, 2784861, 6498009, 19494027]

約数ペア:

[(1, 19494027), (3, 6498009), (7, 2784861), (9, 2166003), (21, 928287), (27, 722001), (63, 309429), (81, 240667), (189, 103143), (567, 34381)]