9920243398

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1\times {\mathrm{18341}}^1$

素因数の和:18720

約数の個数: 32

約数和(自身を含む): 16307065152

約数和(自身を除く): 6386821754

約数列:

[1, 2, 13, 26, 71, 142, 293, 586, 923, 1846, 3809, 7618, 18341, 20803, 36682, 41606, 238433, 270439, 476866, 540878, 1302211, 2604422, 5373913, 10747826, 16928743, 33857486, 69860869, 139721738, 381547823, 763095646, 4960121699, 9920243398]

約数ペア:

[(1, 9920243398), (2, 4960121699), (13, 763095646), (26, 381547823), (71, 139721738), (142, 69860869), (293, 33857486), (586, 16928743), (923, 10747826), (1846, 5373913), (3809, 2604422), (7618, 1302211), (18341, 540878), (20803, 476866), (36682, 270439), (41606, 238433)]