39920368

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{131317}}^1$

素因数の和:131344

約数の個数: 20

約数和(自身を含む): 81417160

約数和(自身を除く): 41496792

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 131317, 262634, 525268, 1050536, 2101072, 2495023, 4990046, 9980092, 19960184, 39920368]

約数ペア:

[(1, 39920368), (2, 19960184), (4, 9980092), (8, 4990046), (16, 2495023), (19, 2101072), (38, 1050536), (76, 525268), (152, 262634), (304, 131317)]