18515790

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{22859}}^1$

素因数の和:22878

約数の個数: 40

約数和(自身を含む): 49789080

約数和(自身を除く): 31273290

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 22859, 45718, 68577, 114295, 137154, 205731, 228590, 342885, 411462, 617193, 685770, 1028655, 1234386, 1851579, 2057310, 3085965, 3703158, 6171930, 9257895, 18515790]

約数ペア:

[(1, 18515790), (2, 9257895), (3, 6171930), (5, 3703158), (6, 3085965), (9, 2057310), (10, 1851579), (15, 1234386), (18, 1028655), (27, 685770), (30, 617193), (45, 411462), (54, 342885), (81, 228590), (90, 205731), (135, 137154), (162, 114295), (270, 68577), (405, 45718), (810, 22859)]