18328568

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{21019}}^1$

素因数の和:21134

約数の個数: 16

約数和(自身を含む): 34683000

約数和(自身を除く): 16354432

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 21019, 42038, 84076, 168152, 2291071, 4582142, 9164284, 18328568]

約数ペア:

[(1, 18328568), (2, 9164284), (4, 4582142), (8, 2291071), (109, 168152), (218, 84076), (436, 42038), (872, 21019)]