18091689

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{271}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 32065536

約数和(自身を除く): 13973847

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 271, 289, 357, 561, 813, 867, 1309, 1897, 2023, 2981, 3179, 3927, 4607, 5691, 6069, 8943, 9537, 13821, 20867, 22253, 32249, 50677, 62601, 66759, 78319, 96747, 152031, 234957, 354739, 548233, 861509, 1064217, 1644699, 2584527, 6030563, 18091689]

約数ペア:

[(1, 18091689), (3, 6030563), (7, 2584527), (11, 1644699), (17, 1064217), (21, 861509), (33, 548233), (51, 354739), (77, 234957), (119, 152031), (187, 96747), (231, 78319), (271, 66759), (289, 62601), (357, 50677), (561, 32249), (813, 22253), (867, 20867), (1309, 13821), (1897, 9537), (2023, 8943), (2981, 6069), (3179, 5691), (3927, 4607)]