18973493

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{1031}}^1$

素因数の和:1288

約数の個数: 16

約数和(自身を含む): 23777280

約数和(自身を除く): 4803787

約数列:

[1, 7, 11, 77, 239, 1031, 1673, 2629, 7217, 11341, 18403, 79387, 246409, 1724863, 2710499, 18973493]

約数ペア:

[(1, 18973493), (7, 2710499), (11, 1724863), (77, 246409), (239, 79387), (1031, 18403), (1673, 11341), (2629, 7217)]