19349226

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1$

素因数の和:708

約数の個数: 64

約数和(自身を含む): 47456640

約数和(自身を除く): 28107414

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 43, 54, 78, 86, 117, 129, 234, 258, 351, 387, 559, 641, 702, 774, 1118, 1161, 1282, 1677, 1923, 2322, 3354, 3846, 5031, 5769, 8333, 10062, 11538, 15093, 16666, 17307, 24999, 27563, 30186, 34614, 49998, 55126, 74997, 82689, 149994, 165378, 224991, 248067, 358319, 449982, 496134, 716638, 744201, 1074957, 1488402, 2149914, 3224871, 6449742, 9674613, 19349226]

約数ペア:

[(1, 19349226), (2, 9674613), (3, 6449742), (6, 3224871), (9, 2149914), (13, 1488402), (18, 1074957), (26, 744201), (27, 716638), (39, 496134), (43, 449982), (54, 358319), (78, 248067), (86, 224991), (117, 165378), (129, 149994), (234, 82689), (258, 74997), (351, 55126), (387, 49998), (559, 34614), (641, 30186), (702, 27563), (774, 24999), (1118, 17307), (1161, 16666), (1282, 15093), (1677, 11538), (1923, 10062), (2322, 8333), (3354, 5769), (3846, 5031)]