19971750953

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{8329}}^1$

素因数の和:8526

約数の個数: 48

約数和(自身を含む): 26589360000

約数和(自身を除く): 6617609047

約数列:

[1, 7, 11, 19, 77, 121, 133, 149, 209, 847, 1043, 1463, 1639, 2299, 2831, 8329, 11473, 16093, 18029, 19817, 31141, 58303, 91619, 126203, 158251, 217987, 342551, 641333, 1007809, 1107757, 1241021, 1740761, 2397857, 7054663, 8687147, 12185327, 13651231, 19148371, 23579399, 95558617, 134038597, 150163541, 165055793, 259373389, 1051144787, 1815613723, 2853107279, 19971750953]

約数ペア:

[(1, 19971750953), (7, 2853107279), (11, 1815613723), (19, 1051144787), (77, 259373389), (121, 165055793), (133, 150163541), (149, 134038597), (209, 95558617), (847, 23579399), (1043, 19148371), (1463, 13651231), (1639, 12185327), (2299, 8687147), (2831, 7054663), (8329, 2397857), (11473, 1740761), (16093, 1241021), (18029, 1107757), (19817, 1007809), (31141, 641333), (58303, 342551), (91619, 217987), (126203, 158251)]