18259874

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{3457}}^1$

素因数の和:3617

約数の個数: 16

約数和(自身を含む): 29047200

約数和(自身を除く): 10787326

約数列:

[1, 2, 19, 38, 139, 278, 2641, 3457, 5282, 6914, 65683, 131366, 480523, 961046, 9129937, 18259874]

約数ペア:

[(1, 18259874), (2, 9129937), (19, 961046), (38, 480523), (139, 131366), (278, 65683), (2641, 6914), (3457, 5282)]