19947006

素因数分解:

$2^1\times 3^3\times {\mathrm{521}}^1\times {\mathrm{709}}^1$

素因数の和:1241

約数の個数: 32

約数和(自身を含む): 44474400

約数和(自身を除く): 24527394

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 521, 709, 1042, 1418, 1563, 2127, 3126, 4254, 4689, 6381, 9378, 12762, 14067, 19143, 28134, 38286, 369389, 738778, 1108167, 2216334, 3324501, 6649002, 9973503, 19947006]

約数ペア:

[(1, 19947006), (2, 9973503), (3, 6649002), (6, 3324501), (9, 2216334), (18, 1108167), (27, 738778), (54, 369389), (521, 38286), (709, 28134), (1042, 19143), (1418, 14067), (1563, 12762), (2127, 9378), (3126, 6381), (4254, 4689)]