19409247

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{457}}^1$

素因数の和:501

約数の個数: 48

約数和(自身を含む): 34111840

約数和(自身を除く): 14702593

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 121, 143, 297, 351, 363, 429, 457, 1089, 1287, 1371, 1573, 3267, 3861, 4113, 4719, 5027, 5941, 12339, 14157, 15081, 17823, 42471, 45243, 53469, 55297, 65351, 135729, 160407, 165891, 196053, 497673, 588159, 718861, 1493019, 1764477, 2156583, 6469749, 19409247]

約数ペア:

[(1, 19409247), (3, 6469749), (9, 2156583), (11, 1764477), (13, 1493019), (27, 718861), (33, 588159), (39, 497673), (99, 196053), (117, 165891), (121, 160407), (143, 135729), (297, 65351), (351, 55297), (363, 53469), (429, 45243), (457, 42471), (1089, 17823), (1287, 15081), (1371, 14157), (1573, 12339), (3267, 5941), (3861, 5027), (4113, 4719)]