18798458

素因数分解:

$2^1\times 7^3\times {\mathrm{67}}^1\times {\mathrm{409}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 33456000

約数和(自身を除く): 14657542

約数列:

[1, 2, 7, 14, 49, 67, 98, 134, 343, 409, 469, 686, 818, 938, 2863, 3283, 5726, 6566, 20041, 22981, 27403, 40082, 45962, 54806, 140287, 191821, 280574, 383642, 1342747, 2685494, 9399229, 18798458]

約数ペア:

[(1, 18798458), (2, 9399229), (7, 2685494), (14, 1342747), (49, 383642), (67, 280574), (98, 191821), (134, 140287), (343, 54806), (409, 45962), (469, 40082), (686, 27403), (818, 22981), (938, 20041), (2863, 6566), (3283, 5726)]