138989826

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{406403}}^1$

素因数の和:406430

約数の個数: 24

約数和(自身を含む): 316995120

約数和(自身を除く): 178005294

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 406403, 812806, 1219209, 2438418, 3657627, 7315254, 7721657, 15443314, 23164971, 46329942, 69494913, 138989826]

約数ペア:

[(1, 138989826), (2, 69494913), (3, 46329942), (6, 23164971), (9, 15443314), (18, 7721657), (19, 7315254), (38, 3657627), (57, 2438418), (114, 1219209), (171, 812806), (342, 406403)]