19389090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{727}}^1$

素因数の和:871

約数の個数: 64

約数和(自身を含む): 53673984

約数和(自身を除く): 34284894

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 127, 210, 254, 381, 635, 727, 762, 889, 1270, 1454, 1778, 1905, 2181, 2667, 3635, 3810, 4362, 4445, 5089, 5334, 7270, 8890, 10178, 10905, 13335, 15267, 21810, 25445, 26670, 30534, 50890, 76335, 92329, 152670, 184658, 276987, 461645, 553974, 646303, 923290, 1292606, 1384935, 1938909, 2769870, 3231515, 3877818, 6463030, 9694545, 19389090]

約数ペア:

[(1, 19389090), (2, 9694545), (3, 6463030), (5, 3877818), (6, 3231515), (7, 2769870), (10, 1938909), (14, 1384935), (15, 1292606), (21, 923290), (30, 646303), (35, 553974), (42, 461645), (70, 276987), (105, 184658), (127, 152670), (210, 92329), (254, 76335), (381, 50890), (635, 30534), (727, 26670), (762, 25445), (889, 21810), (1270, 15267), (1454, 13335), (1778, 10905), (1905, 10178), (2181, 8890), (2667, 7270), (3635, 5334), (3810, 5089), (4362, 4445)]