18874842

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 45045504

約数和(自身を除く): 26170662

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 97, 113, 123, 194, 226, 246, 287, 291, 339, 574, 582, 678, 679, 791, 861, 1358, 1582, 1722, 2037, 2373, 3977, 4074, 4633, 4746, 7954, 9266, 10961, 11931, 13899, 21922, 23862, 27798, 27839, 32431, 32883, 55678, 64862, 65766, 76727, 83517, 97293, 153454, 167034, 194586, 230181, 449401, 460362, 898802, 1348203, 2696406, 3145807, 6291614, 9437421, 18874842]

約数ペア:

[(1, 18874842), (2, 9437421), (3, 6291614), (6, 3145807), (7, 2696406), (14, 1348203), (21, 898802), (41, 460362), (42, 449401), (82, 230181), (97, 194586), (113, 167034), (123, 153454), (194, 97293), (226, 83517), (246, 76727), (287, 65766), (291, 64862), (339, 55678), (574, 32883), (582, 32431), (678, 27839), (679, 27798), (791, 23862), (861, 21922), (1358, 13899), (1582, 11931), (1722, 10961), (2037, 9266), (2373, 7954), (3977, 4746), (4074, 4633)]