20189664248

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{194131387}}^1$

素因数の和:194131406

約数の個数: 16

約数和(自身を含む): 40767591480

約数和(自身を除く): 20577927232

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 194131387, 388262774, 776525548, 1553051096, 2523708031, 5047416062, 10094832124, 20189664248]

約数ペア:

[(1, 20189664248), (2, 10094832124), (4, 5047416062), (8, 2523708031), (13, 1553051096), (26, 776525548), (52, 388262774), (104, 194131387)]