19737333

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1499}}^1$

素因数の和:1542

約数の個数: 48

約数和(自身を含む): 37440000

約数和(自身を除く): 17702667

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 57, 63, 77, 99, 133, 171, 209, 231, 399, 627, 693, 1197, 1463, 1499, 1881, 4389, 4497, 10493, 13167, 13491, 16489, 28481, 31479, 49467, 85443, 94437, 115423, 148401, 199367, 256329, 313291, 346269, 598101, 939873, 1038807, 1794303, 2193037, 2819619, 6579111, 19737333]

約数ペア:

[(1, 19737333), (3, 6579111), (7, 2819619), (9, 2193037), (11, 1794303), (19, 1038807), (21, 939873), (33, 598101), (57, 346269), (63, 313291), (77, 256329), (99, 199367), (133, 148401), (171, 115423), (209, 94437), (231, 85443), (399, 49467), (627, 31479), (693, 28481), (1197, 16489), (1463, 13491), (1499, 13167), (1881, 10493), (4389, 4497)]