19899454

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{3259}}^1$

素因数の和:3375

約数の個数: 16

約数和(自身を含む): 30983040

約数和(自身を除く): 11083586

約数列:

[1, 2, 43, 71, 86, 142, 3053, 3259, 6106, 6518, 140137, 231389, 280274, 462778, 9949727, 19899454]

約数ペア:

[(1, 19899454), (2, 9949727), (43, 462778), (71, 280274), (86, 231389), (142, 140137), (3053, 6518), (3259, 6106)]