19936700181

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{22637}}^1$

素因数の和:22863

約数の個数: 40

約数和(自身を含む): 30372227424

約数和(自身を除く): 10435527243

約数列:

[1, 3, 9, 27, 81, 83, 131, 249, 393, 747, 1179, 2241, 3537, 6723, 10611, 10873, 22637, 32619, 67911, 97857, 203733, 293571, 611199, 880713, 1833597, 1878871, 2965447, 5636613, 8896341, 16909839, 26689023, 50729517, 80067069, 152188551, 240201207, 246132101, 738396303, 2215188909, 6645566727, 19936700181]

約数ペア:

[(1, 19936700181), (3, 6645566727), (9, 2215188909), (27, 738396303), (81, 246132101), (83, 240201207), (131, 152188551), (249, 80067069), (393, 50729517), (747, 26689023), (1179, 16909839), (2241, 8896341), (3537, 5636613), (6723, 2965447), (10611, 1878871), (10873, 1833597), (22637, 880713), (32619, 611199), (67911, 293571), (97857, 203733)]