19648629

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{727}}^1$

素因数の和:767

約数の個数: 64

約数和(自身を含む): 39137280

約数和(自身を除く): 19488651

約数列:

[1, 3, 7, 9, 11, 13, 21, 27, 33, 39, 63, 77, 91, 99, 117, 143, 189, 231, 273, 297, 351, 429, 693, 727, 819, 1001, 1287, 2079, 2181, 2457, 3003, 3861, 5089, 6543, 7997, 9009, 9451, 15267, 19629, 23991, 27027, 28353, 45801, 55979, 66157, 71973, 85059, 103961, 137403, 167937, 198471, 215919, 255177, 311883, 503811, 595413, 727727, 935649, 1511433, 1786239, 2183181, 2806947, 6549543, 19648629]

約数ペア:

[(1, 19648629), (3, 6549543), (7, 2806947), (9, 2183181), (11, 1786239), (13, 1511433), (21, 935649), (27, 727727), (33, 595413), (39, 503811), (63, 311883), (77, 255177), (91, 215919), (99, 198471), (117, 167937), (143, 137403), (189, 103961), (231, 85059), (273, 71973), (297, 66157), (351, 55979), (429, 45801), (693, 28353), (727, 27027), (819, 23991), (1001, 19629), (1287, 15267), (2079, 9451), (2181, 9009), (2457, 7997), (3003, 6543), (3861, 5089)]