18706144

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:323

約数の個数: 48

約数和(自身を含む): 38586240

約数和(自身を除く): 19880096

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 109, 124, 173, 218, 248, 346, 436, 496, 692, 872, 992, 1384, 1744, 2768, 3379, 3488, 5363, 5536, 6758, 10726, 13516, 18857, 21452, 27032, 37714, 42904, 54064, 75428, 85808, 108128, 150856, 171616, 301712, 584567, 603424, 1169134, 2338268, 4676536, 9353072, 18706144]

約数ペア:

[(1, 18706144), (2, 9353072), (4, 4676536), (8, 2338268), (16, 1169134), (31, 603424), (32, 584567), (62, 301712), (109, 171616), (124, 150856), (173, 108128), (218, 85808), (248, 75428), (346, 54064), (436, 42904), (496, 37714), (692, 27032), (872, 21452), (992, 18857), (1384, 13516), (1744, 10726), (2768, 6758), (3379, 5536), (3488, 5363)]