19756396

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{40819}}^1$

素因数の和:40845

約数の個数: 18

約数和(自身を含む): 38003420

約数和(自身を除く): 18247024

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 40819, 81638, 163276, 449009, 898018, 1796036, 4939099, 9878198, 19756396]

約数ペア:

[(1, 19756396), (2, 9878198), (4, 4939099), (11, 1796036), (22, 898018), (44, 449009), (121, 163276), (242, 81638), (484, 40819)]