18842987

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:382

約数の個数: 16

約数和(自身を含む): 20671200

約数和(自身を除く): 1828213

約数列:

[1, 17, 43, 149, 173, 731, 2533, 2941, 6407, 7439, 25777, 108919, 126463, 438209, 1108411, 18842987]

約数ペア:

[(1, 18842987), (17, 1108411), (43, 438209), (149, 126463), (173, 108919), (731, 25777), (2533, 7439), (2941, 6407)]