18974768

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{62417}}^1$

素因数の和:62444

約数の個数: 20

約数和(自身を含む): 38699160

約数和(自身を除く): 19724392

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 62417, 124834, 249668, 499336, 998672, 1185923, 2371846, 4743692, 9487384, 18974768]

約数ペア:

[(1, 18974768), (2, 9487384), (4, 4743692), (8, 2371846), (16, 1185923), (19, 998672), (38, 499336), (76, 249668), (152, 124834), (304, 62417)]