19842823

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{461}}^1$

素因数の和:535

約数の個数: 32

約数和(自身を含む): 27320832

約数和(自身を除く): 7478009

約数列:

[1, 7, 11, 13, 43, 77, 91, 143, 301, 461, 473, 559, 1001, 3227, 3311, 3913, 5071, 5993, 6149, 19823, 35497, 41951, 43043, 65923, 138761, 218053, 257699, 461461, 1526371, 1803893, 2834689, 19842823]

約数ペア:

[(1, 19842823), (7, 2834689), (11, 1803893), (13, 1526371), (43, 461461), (77, 257699), (91, 218053), (143, 138761), (301, 65923), (461, 43043), (473, 41951), (559, 35497), (1001, 19823), (3227, 6149), (3311, 5993), (3913, 5071)]