19749526

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1\times {\mathrm{523}}^1$

素因数の和:843

約数の個数: 16

約数和(自身を含む): 30182400

約数和(自身を除く): 10432874

約数列:

[1, 2, 79, 158, 239, 478, 523, 1046, 18881, 37762, 41317, 82634, 124997, 249994, 9874763, 19749526]

約数ペア:

[(1, 19749526), (2, 9874763), (79, 249994), (158, 124997), (239, 82634), (478, 41317), (523, 37762), (1046, 18881)]