18508527

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:468

約数の個数: 32

約数和(自身を含む): 29216000

約数和(自身を除く): 10707473

約数列:

[1, 3, 9, 19, 27, 57, 109, 171, 327, 331, 513, 981, 993, 2071, 2943, 2979, 6213, 6289, 8937, 18639, 18867, 36079, 55917, 56601, 108237, 169803, 324711, 685501, 974133, 2056503, 6169509, 18508527]

約数ペア:

[(1, 18508527), (3, 6169509), (9, 2056503), (19, 974133), (27, 685501), (57, 324711), (109, 169803), (171, 108237), (327, 56601), (331, 55917), (513, 36079), (981, 18867), (993, 18639), (2071, 8937), (2943, 6289), (2979, 6213)]