18122892

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 43545600

約数和(自身を除く): 25422708

約数列:

[1, 2, 3, 4, 6, 12, 71, 89, 142, 178, 213, 239, 267, 284, 356, 426, 478, 534, 717, 852, 956, 1068, 1434, 2868, 6319, 12638, 16969, 18957, 21271, 25276, 33938, 37914, 42542, 50907, 63813, 67876, 75828, 85084, 101814, 127626, 203628, 255252, 1510241, 3020482, 4530723, 6040964, 9061446, 18122892]

約数ペア:

[(1, 18122892), (2, 9061446), (3, 6040964), (4, 4530723), (6, 3020482), (12, 1510241), (71, 255252), (89, 203628), (142, 127626), (178, 101814), (213, 85084), (239, 75828), (267, 67876), (284, 63813), (356, 50907), (426, 42542), (478, 37914), (534, 33938), (717, 25276), (852, 21271), (956, 18957), (1068, 16969), (1434, 12638), (2868, 6319)]