18134985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{839}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 13798455

約数列:

[1, 3, 5, 11, 15, 33, 55, 131, 165, 393, 655, 839, 1441, 1965, 2517, 4195, 4323, 7205, 9229, 12585, 21615, 27687, 46145, 109909, 138435, 329727, 549545, 1208999, 1648635, 3626997, 6044995, 18134985]

約数ペア:

[(1, 18134985), (3, 6044995), (5, 3626997), (11, 1648635), (15, 1208999), (33, 549545), (55, 329727), (131, 138435), (165, 109909), (393, 46145), (655, 27687), (839, 21615), (1441, 12585), (1965, 9229), (2517, 7205), (4195, 4323)]