18201772

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1723}}^1$

素因数の和:1885

約数の個数: 24

約数和(自身を含む): 33790400

約数和(自身を除く): 15588628

約数列:

[1, 2, 4, 19, 38, 76, 139, 278, 556, 1723, 2641, 3446, 5282, 6892, 10564, 32737, 65474, 130948, 239497, 478994, 957988, 4550443, 9100886, 18201772]

約数ペア:

[(1, 18201772), (2, 9100886), (4, 4550443), (19, 957988), (38, 478994), (76, 239497), (139, 130948), (278, 65474), (556, 32737), (1723, 10564), (2641, 6892), (3446, 5282)]