19030130

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{547}}^1$

素因数の和:639

約数の個数: 48

約数和(自身を含む): 40481856

約数和(自身を除く): 21451726

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 71, 98, 142, 245, 355, 490, 497, 547, 710, 994, 1094, 2485, 2735, 3479, 3829, 4970, 5470, 6958, 7658, 17395, 19145, 26803, 34790, 38290, 38837, 53606, 77674, 134015, 194185, 268030, 271859, 388370, 543718, 1359295, 1903013, 2718590, 3806026, 9515065, 19030130]

約数ペア:

[(1, 19030130), (2, 9515065), (5, 3806026), (7, 2718590), (10, 1903013), (14, 1359295), (35, 543718), (49, 388370), (70, 271859), (71, 268030), (98, 194185), (142, 134015), (245, 77674), (355, 53606), (490, 38837), (497, 38290), (547, 34790), (710, 26803), (994, 19145), (1094, 17395), (2485, 7658), (2735, 6958), (3479, 5470), (3829, 4970)]