19493334

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2179}}^1$

素因数の和:2265

約数の個数: 48

約数和(自身を含む): 48971520

約数和(自身を除く): 29478186

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 71, 126, 142, 213, 426, 497, 639, 994, 1278, 1491, 2179, 2982, 4358, 4473, 6537, 8946, 13074, 15253, 19611, 30506, 39222, 45759, 91518, 137277, 154709, 274554, 309418, 464127, 928254, 1082963, 1392381, 2165926, 2784762, 3248889, 6497778, 9746667, 19493334]

約数ペア:

[(1, 19493334), (2, 9746667), (3, 6497778), (6, 3248889), (7, 2784762), (9, 2165926), (14, 1392381), (18, 1082963), (21, 928254), (42, 464127), (63, 309418), (71, 274554), (126, 154709), (142, 137277), (213, 91518), (426, 45759), (497, 39222), (639, 30506), (994, 19611), (1278, 15253), (1491, 13074), (2179, 8946), (2982, 6537), (4358, 4473)]