18014960

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3361}}^1$

素因数の和:3441

約数の個数: 40

約数和(自身を含む): 42522576

約数和(自身を除く): 24507616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 3361, 5360, 6722, 13444, 16805, 26888, 33610, 53776, 67220, 134440, 225187, 268880, 450374, 900748, 1125935, 1801496, 2251870, 3602992, 4503740, 9007480, 18014960]

約数ペア:

[(1, 18014960), (2, 9007480), (4, 4503740), (5, 3602992), (8, 2251870), (10, 1801496), (16, 1125935), (20, 900748), (40, 450374), (67, 268880), (80, 225187), (134, 134440), (268, 67220), (335, 53776), (536, 33610), (670, 26888), (1072, 16805), (1340, 13444), (2680, 6722), (3361, 5360)]