18089480

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3301}}^1$

素因数の和:3449

約数の個数: 32

約数和(自身を含む): 41010840

約数和(自身を除く): 22921360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 3301, 5480, 6602, 13204, 16505, 26408, 33010, 66020, 132040, 452237, 904474, 1808948, 2261185, 3617896, 4522370, 9044740, 18089480]

約数ペア:

[(1, 18089480), (2, 9044740), (4, 4522370), (5, 3617896), (8, 2261185), (10, 1808948), (20, 904474), (40, 452237), (137, 132040), (274, 66020), (548, 33010), (685, 26408), (1096, 16505), (1370, 13204), (2740, 6602), (3301, 5480)]