39891184

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{131221}}^1$

素因数の和:131248

約数の個数: 20

約数和(自身を含む): 81357640

約数和(自身を除く): 41466456

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 131221, 262442, 524884, 1049768, 2099536, 2493199, 4986398, 9972796, 19945592, 39891184]

約数ペア:

[(1, 39891184), (2, 19945592), (4, 9972796), (8, 4986398), (16, 2493199), (19, 2099536), (38, 1049768), (76, 524884), (152, 262442), (304, 131221)]