19945592

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{131221}}^1$

素因数の和:131246

約数の個数: 16

約数和(自身を含む): 39366600

約数和(自身を除く): 19421008

約数列:

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

約数ペア:

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