18764963711

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{487}}^1\times {\mathrm{607}}^1$

素因数の和:1383

約数の個数: 32

約数和(自身を含む): 21433896960

約数和(自身を除く): 2668933249

約数列:

[1, 13, 19, 247, 257, 487, 607, 3341, 4883, 6331, 7891, 9253, 11533, 63479, 120289, 125159, 149929, 155999, 295609, 1627067, 2027987, 2378021, 2963981, 3842917, 5616571, 30914273, 38531753, 73015423, 75971513, 987629669, 1443458747, 18764963711]

約数ペア:

[(1, 18764963711), (13, 1443458747), (19, 987629669), (247, 75971513), (257, 73015423), (487, 38531753), (607, 30914273), (3341, 5616571), (4883, 3842917), (6331, 2963981), (7891, 2378021), (9253, 2027987), (11533, 1627067), (63479, 295609), (120289, 155999), (125159, 149929)]