18801741

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 31256064

約数和(自身を除く): 12454323

約数列:

[1, 3, 7, 21, 23, 49, 67, 69, 83, 147, 161, 201, 249, 469, 483, 581, 1127, 1407, 1541, 1743, 1909, 3283, 3381, 4067, 4623, 5561, 5727, 9849, 10787, 12201, 13363, 16683, 32361, 38927, 40089, 75509, 93541, 116781, 127903, 226527, 272489, 280623, 383709, 817467, 895321, 2685963, 6267247, 18801741]

約数ペア:

[(1, 18801741), (3, 6267247), (7, 2685963), (21, 895321), (23, 817467), (49, 383709), (67, 280623), (69, 272489), (83, 226527), (147, 127903), (161, 116781), (201, 93541), (249, 75509), (469, 40089), (483, 38927), (581, 32361), (1127, 16683), (1407, 13363), (1541, 12201), (1743, 10787), (1909, 9849), (3283, 5727), (3381, 5561), (4067, 4623)]