18889018

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{5431}}^1$

素因数の和:5517

約数の個数: 16

約数和(自身を含む): 29723904

約数和(自身を除く): 10834886

約数列:

[1, 2, 37, 47, 74, 94, 1739, 3478, 5431, 10862, 200947, 255257, 401894, 510514, 9444509, 18889018]

約数ペア:

[(1, 18889018), (2, 9444509), (37, 510514), (47, 401894), (74, 255257), (94, 200947), (1739, 10862), (3478, 5431)]