18371327611

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1997}}^1\times {\mathrm{2351}}^1$

素因数の和:4411

約数の個数: 32

約数和(自身を含む): 23158130688

約数和(自身を除く): 4786803077

約数列:

[1, 7, 13, 43, 91, 301, 559, 1997, 2351, 3913, 13979, 16457, 25961, 30563, 85871, 101093, 181727, 213941, 601097, 707651, 1116323, 1314209, 4694947, 7814261, 9199463, 32864629, 61034311, 201882721, 427240177, 1413179047, 2624475373, 18371327611]

約数ペア:

[(1, 18371327611), (7, 2624475373), (13, 1413179047), (43, 427240177), (91, 201882721), (301, 61034311), (559, 32864629), (1997, 9199463), (2351, 7814261), (3913, 4694947), (13979, 1314209), (16457, 1116323), (25961, 707651), (30563, 601097), (85871, 213941), (101093, 181727)]