18412471

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 24127488

約数和(自身を除く): 5715017

約数列:

[1, 7, 11, 43, 67, 77, 83, 301, 469, 473, 581, 737, 913, 2881, 3311, 3569, 5159, 5561, 6391, 20167, 24983, 31691, 38927, 39259, 61171, 221837, 239123, 274813, 428197, 1673861, 2630353, 18412471]

約数ペア:

[(1, 18412471), (7, 2630353), (11, 1673861), (43, 428197), (67, 274813), (77, 239123), (83, 221837), (301, 61171), (469, 39259), (473, 38927), (581, 31691), (737, 24983), (913, 20167), (2881, 6391), (3311, 5561), (3569, 5159)]