19537007

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1381}}^1$

素因数の和:1478

約数の個数: 16

約数和(自身を含む): 23350272

約数和(自身を除く): 3813265

約数列:

[1, 7, 43, 47, 301, 329, 1381, 2021, 9667, 14147, 59383, 64907, 415681, 454349, 2791001, 19537007]

約数ペア:

[(1, 19537007), (7, 2791001), (43, 454349), (47, 415681), (301, 64907), (329, 59383), (1381, 14147), (2021, 9667)]