19953282

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{144589}}^1$

素因数の和:144617

約数の個数: 16

約数和(自身を含む): 41641920

約数和(自身を除く): 21688638

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 144589, 289178, 433767, 867534, 3325547, 6651094, 9976641, 19953282]

約数ペア:

[(1, 19953282), (2, 9976641), (3, 6651094), (6, 3325547), (23, 867534), (46, 433767), (69, 289178), (138, 144589)]