18987534

素因数分解:

$2^1\times 3^8\times {\mathrm{1447}}^1$

素因数の和:1473

約数の個数: 36

約数和(自身を含む): 42749304

約数和(自身を除く): 23761770

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 1447, 1458, 2187, 2894, 4341, 4374, 6561, 8682, 13023, 13122, 26046, 39069, 78138, 117207, 234414, 351621, 703242, 1054863, 2109726, 3164589, 6329178, 9493767, 18987534]

約数ペア:

[(1, 18987534), (2, 9493767), (3, 6329178), (6, 3164589), (9, 2109726), (18, 1054863), (27, 703242), (54, 351621), (81, 234414), (162, 117207), (243, 78138), (486, 39069), (729, 26046), (1447, 13122), (1458, 13023), (2187, 8682), (2894, 6561), (4341, 4374)]