18349331

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{797}}^1$

素因数の和:851

約数の個数: 32

約数和(自身を含む): 25740288

約数和(自身を除く): 7390957

約数列:

[1, 7, 11, 13, 23, 77, 91, 143, 161, 253, 299, 797, 1001, 1771, 2093, 3289, 5579, 8767, 10361, 18331, 23023, 61369, 72527, 113971, 128317, 201641, 238303, 797797, 1411487, 1668121, 2621333, 18349331]

約数ペア:

[(1, 18349331), (7, 2621333), (11, 1668121), (13, 1411487), (23, 797797), (77, 238303), (91, 201641), (143, 128317), (161, 113971), (253, 72527), (299, 61369), (797, 23023), (1001, 18331), (1771, 10361), (2093, 8767), (3289, 5579)]