19338286

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{5081}}^1$

素因数の和:5267

約数の個数: 16

約数和(自身を含む): 31833648

約数和(自身を除く): 12495362

約数列:

[1, 2, 11, 22, 173, 346, 1903, 3806, 5081, 10162, 55891, 111782, 879013, 1758026, 9669143, 19338286]

約数ペア:

[(1, 19338286), (2, 9669143), (11, 1758026), (22, 879013), (173, 111782), (346, 55891), (1903, 10162), (3806, 5081)]