19717706

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{3733}}^1$

素因数の和:3893

約数の個数: 16

約数和(自身を含む): 31365600

約数和(自身を除く): 11647894

約数列:

[1, 2, 19, 38, 139, 278, 2641, 3733, 5282, 7466, 70927, 141854, 518887, 1037774, 9858853, 19717706]

約数ペア:

[(1, 19717706), (2, 9858853), (19, 1037774), (38, 518887), (139, 141854), (278, 70927), (2641, 7466), (3733, 5282)]