138242518

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1\times {\mathrm{3671}}^1$

素因数の和:4683

約数の個数: 16

約数和(自身を含む): 218557440

約数和(自身を除く): 80314922

約数列:

[1, 2, 19, 38, 991, 1982, 3671, 7342, 18829, 37658, 69749, 139498, 3637961, 7275922, 69121259, 138242518]

約数ペア:

[(1, 138242518), (2, 69121259), (19, 7275922), (38, 3637961), (991, 139498), (1982, 69749), (3671, 37658), (7342, 18829)]