2019435187

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{89}}^2$

素因数の和:257

約数の個数: 54

約数和(自身を含む): 2672181204

約数和(自身を除く): 652746017

約数列:

[1, 7, 11, 43, 49, 77, 89, 121, 301, 473, 539, 623, 847, 979, 2107, 3311, 3827, 4361, 5203, 5929, 6853, 7921, 10769, 23177, 26789, 36421, 42097, 47971, 55447, 75383, 87131, 187523, 254947, 294679, 340603, 388129, 463067, 527681, 609917, 958441, 2062753, 2384221, 3241469, 3746633, 4269419, 6709087, 16689547, 22690283, 26226431, 41212963, 46963609, 183585017, 288490741, 2019435187]

約数ペア:

[(1, 2019435187), (7, 288490741), (11, 183585017), (43, 46963609), (49, 41212963), (77, 26226431), (89, 22690283), (121, 16689547), (301, 6709087), (473, 4269419), (539, 3746633), (623, 3241469), (847, 2384221), (979, 2062753), (2107, 958441), (3311, 609917), (3827, 527681), (4361, 463067), (5203, 388129), (5929, 340603), (6853, 294679), (7921, 254947), (10769, 187523), (23177, 87131), (26789, 75383), (36421, 55447), (42097, 47971)]