18508735678

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{654991}}^1$

素因数の和:655263

約数の個数: 16

約数和(自身を含む): 28295654400

約数和(自身を除く): 9786918722

約数列:

[1, 2, 71, 142, 199, 398, 14129, 28258, 654991, 1309982, 46504361, 93008722, 130343209, 260686418, 9254367839, 18508735678]

約数ペア:

[(1, 18508735678), (2, 9254367839), (71, 260686418), (142, 130343209), (199, 93008722), (398, 46504361), (14129, 1309982), (28258, 654991)]