19766576

素因数分解:

$2^4\times {\mathrm{313}}^1\times {\mathrm{3947}}^1$

素因数の和:4268

約数の個数: 20

約数和(自身を含む): 38429832

約数和(自身を除く): 18663256

約数列:

[1, 2, 4, 8, 16, 313, 626, 1252, 2504, 3947, 5008, 7894, 15788, 31576, 63152, 1235411, 2470822, 4941644, 9883288, 19766576]

約数ペア:

[(1, 19766576), (2, 9883288), (4, 4941644), (8, 2470822), (16, 1235411), (313, 63152), (626, 31576), (1252, 15788), (2504, 7894), (3947, 5008)]