18645594

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:283

約数の個数: 64

約数和(自身を含む): 43296768

約数和(自身を除く): 24651174

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 71, 138, 142, 173, 213, 253, 346, 426, 506, 519, 759, 781, 1038, 1518, 1562, 1633, 1903, 2343, 3266, 3806, 3979, 4686, 4899, 5709, 7958, 9798, 11418, 11937, 12283, 17963, 23874, 24566, 35926, 36849, 43769, 53889, 73698, 87538, 107778, 131307, 135113, 262614, 270226, 282509, 405339, 565018, 810678, 847527, 1695054, 3107599, 6215198, 9322797, 18645594]

約数ペア:

[(1, 18645594), (2, 9322797), (3, 6215198), (6, 3107599), (11, 1695054), (22, 847527), (23, 810678), (33, 565018), (46, 405339), (66, 282509), (69, 270226), (71, 262614), (138, 135113), (142, 131307), (173, 107778), (213, 87538), (253, 73698), (346, 53889), (426, 43769), (506, 36849), (519, 35926), (759, 24566), (781, 23874), (1038, 17963), (1518, 12283), (1562, 11937), (1633, 11418), (1903, 9798), (2343, 7958), (3266, 5709), (3806, 4899), (3979, 4686)]