19259966

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{1783}}^1$

素因数の和:2287

約数の個数: 16

約数和(自身を含む): 31598208

約数和(自身を除く): 12338242

約数列:

[1, 2, 11, 22, 491, 982, 1783, 3566, 5401, 10802, 19613, 39226, 875453, 1750906, 9629983, 19259966]

約数ペア:

[(1, 19259966), (2, 9629983), (11, 1750906), (22, 875453), (491, 39226), (982, 19613), (1783, 10802), (3566, 5401)]