19676656

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{17321}}^1$

素因数の和:17400

約数の個数: 20

約数和(自身を含む): 38662704

約数和(自身を除く): 18986048

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 17321, 34642, 69284, 138568, 277136, 1229791, 2459582, 4919164, 9838328, 19676656]

約数ペア:

[(1, 19676656), (2, 9838328), (4, 4919164), (8, 2459582), (16, 1229791), (71, 277136), (142, 138568), (284, 69284), (568, 34642), (1136, 17321)]