18252945

素因数分解:

$3^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 33388992

約数和(自身を除く): 15136047

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 83, 135, 181, 243, 249, 405, 415, 543, 747, 905, 1215, 1245, 1629, 2241, 2715, 3735, 4887, 6723, 8145, 11205, 14661, 15023, 20169, 24435, 33615, 43983, 45069, 73305, 75115, 100845, 135207, 219915, 225345, 405621, 676035, 1216863, 2028105, 3650589, 6084315, 18252945]

約数ペア:

[(1, 18252945), (3, 6084315), (5, 3650589), (9, 2028105), (15, 1216863), (27, 676035), (45, 405621), (81, 225345), (83, 219915), (135, 135207), (181, 100845), (243, 75115), (249, 73305), (405, 45069), (415, 43983), (543, 33615), (747, 24435), (905, 20169), (1215, 15023), (1245, 14661), (1629, 11205), (2241, 8145), (2715, 6723), (3735, 4887)]