18378844

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{2099}}^1$

素因数の和:2313

約数の個数: 24

約数和(自身を含む): 35280000

約数和(自身を除く): 16901156

約数列:

[1, 2, 4, 11, 22, 44, 199, 398, 796, 2099, 2189, 4198, 4378, 8396, 8756, 23089, 46178, 92356, 417701, 835402, 1670804, 4594711, 9189422, 18378844]

約数ペア:

[(1, 18378844), (2, 9189422), (4, 4594711), (11, 1670804), (22, 835402), (44, 417701), (199, 92356), (398, 46178), (796, 23089), (2099, 8756), (2189, 8396), (4198, 4378)]