18631899

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{467}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 32707584

約数和(自身を除く): 14075685

約数列:

[1, 3, 9, 11, 13, 31, 33, 39, 93, 99, 117, 143, 279, 341, 403, 429, 467, 1023, 1209, 1287, 1401, 3069, 3627, 4203, 4433, 5137, 6071, 13299, 14477, 15411, 18213, 39897, 43431, 46233, 54639, 66781, 130293, 159247, 188201, 200343, 477741, 564603, 601029, 1433223, 1693809, 2070211, 6210633, 18631899]

約数ペア:

[(1, 18631899), (3, 6210633), (9, 2070211), (11, 1693809), (13, 1433223), (31, 601029), (33, 564603), (39, 477741), (93, 200343), (99, 188201), (117, 159247), (143, 130293), (279, 66781), (341, 54639), (403, 46233), (429, 43431), (467, 39897), (1023, 18213), (1209, 15411), (1287, 14477), (1401, 13299), (3069, 6071), (3627, 5137), (4203, 4433)]