19398762

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:475

約数の個数: 48

約数和(自身を含む): 43737408

約数和(自身を除く): 24338646

約数列:

[1, 2, 3, 6, 9, 18, 43, 71, 86, 129, 142, 213, 258, 353, 387, 426, 639, 706, 774, 1059, 1278, 2118, 3053, 3177, 6106, 6354, 9159, 15179, 18318, 25063, 27477, 30358, 45537, 50126, 54954, 75189, 91074, 136611, 150378, 225567, 273222, 451134, 1077709, 2155418, 3233127, 6466254, 9699381, 19398762]

約数ペア:

[(1, 19398762), (2, 9699381), (3, 6466254), (6, 3233127), (9, 2155418), (18, 1077709), (43, 451134), (71, 273222), (86, 225567), (129, 150378), (142, 136611), (213, 91074), (258, 75189), (353, 54954), (387, 50126), (426, 45537), (639, 30358), (706, 27477), (774, 25063), (1059, 18318), (1278, 15179), (2118, 9159), (3053, 6354), (3177, 6106)]