19043453

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 24245760

約数和(自身を除く): 5202307

約数列:

[1, 11, 13, 19, 43, 143, 163, 209, 247, 473, 559, 817, 1793, 2119, 2717, 3097, 6149, 7009, 8987, 10621, 23309, 34067, 40261, 77099, 91117, 116831, 133171, 442871, 1002287, 1464881, 1731223, 19043453]

約数ペア:

[(1, 19043453), (11, 1731223), (13, 1464881), (19, 1002287), (43, 442871), (143, 133171), (163, 116831), (209, 91117), (247, 77099), (473, 40261), (559, 34067), (817, 23309), (1793, 10621), (2119, 8987), (2717, 7009), (3097, 6149)]