19022211

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 32032000

約数和(自身を除く): 13009789

約数列:

[1, 3, 9, 13, 19, 39, 43, 57, 117, 129, 171, 199, 247, 387, 559, 597, 741, 817, 1677, 1791, 2223, 2451, 2587, 3781, 5031, 7353, 7761, 8557, 10621, 11343, 23283, 25671, 31863, 34029, 49153, 77013, 95589, 111241, 147459, 162583, 333723, 442377, 487749, 1001169, 1463247, 2113579, 6340737, 19022211]

約数ペア:

[(1, 19022211), (3, 6340737), (9, 2113579), (13, 1463247), (19, 1001169), (39, 487749), (43, 442377), (57, 333723), (117, 162583), (129, 147459), (171, 111241), (199, 95589), (247, 77013), (387, 49153), (559, 34029), (597, 31863), (741, 25671), (817, 23283), (1677, 11343), (1791, 10621), (2223, 8557), (2451, 7761), (2587, 7353), (3781, 5031)]