19436989

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:205

約数の個数: 32

約数和(自身を含む): 24393600

約数和(自身を除く): 4956611

約数列:

[1, 11, 13, 29, 43, 109, 143, 319, 377, 473, 559, 1199, 1247, 1417, 3161, 4147, 4687, 6149, 13717, 15587, 16211, 34771, 41093, 51557, 60931, 135923, 178321, 452023, 670241, 1495153, 1766999, 19436989]

約数ペア:

[(1, 19436989), (11, 1766999), (13, 1495153), (29, 670241), (43, 452023), (109, 178321), (143, 135923), (319, 60931), (377, 51557), (473, 41093), (559, 34771), (1199, 16211), (1247, 15587), (1417, 13717), (3161, 6149), (4147, 4687)]