19866896

素因数分解:

$2^4\times 7^1\times {\mathrm{177383}}^1$

素因数の和:177398

約数の個数: 20

約数和(自身を含む): 43991232

約数和(自身を除く): 24124336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 177383, 354766, 709532, 1241681, 1419064, 2483362, 2838128, 4966724, 9933448, 19866896]

約数ペア:

[(1, 19866896), (2, 9933448), (4, 4966724), (7, 2838128), (8, 2483362), (14, 1419064), (16, 1241681), (28, 709532), (56, 354766), (112, 177383)]