19759888

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{6269}}^1$

素因数の和:6474

約数の個数: 20

約数和(自身を含む): 38485260

約数和(自身を除く): 18725372

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 6269, 12538, 25076, 50152, 100304, 1234993, 2469986, 4939972, 9879944, 19759888]

約数ペア:

[(1, 19759888), (2, 9879944), (4, 4939972), (8, 2469986), (16, 1234993), (197, 100304), (394, 50152), (788, 25076), (1576, 12538), (3152, 6269)]