19199509

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{859}}^1$

素因数の和:1000

約数の個数: 16

約数和(自身を含む): 22896640

約数和(自身を除く): 3697131

約数列:

[1, 7, 31, 103, 217, 721, 859, 3193, 6013, 22351, 26629, 88477, 186403, 619339, 2742787, 19199509]

約数ペア:

[(1, 19199509), (7, 2742787), (31, 619339), (103, 186403), (217, 88477), (721, 26629), (859, 22351), (3193, 6013)]