19890934

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20011}}^1$

素因数の和:20091

約数の個数: 16

約数和(自身を含む): 34580736

約数和(自身を除く): 14689802

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 20011, 40022, 140077, 280154, 1420781, 2841562, 9945467, 19890934]

約数ペア:

[(1, 19890934), (2, 9945467), (7, 2841562), (14, 1420781), (71, 280154), (142, 140077), (497, 40022), (994, 20011)]