19758448

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{17393}}^1$

素因数の和:17472

約数の個数: 20

約数和(自身を含む): 38823408

約数和(自身を除く): 19064960

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 17393, 34786, 69572, 139144, 278288, 1234903, 2469806, 4939612, 9879224, 19758448]

約数ペア:

[(1, 19758448), (2, 9879224), (4, 4939612), (8, 2469806), (16, 1234903), (71, 278288), (142, 139144), (284, 69572), (568, 34786), (1136, 17393)]