19308861

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1667}}^1$

素因数の和:1703

約数の個数: 40

約数和(自身を含む): 33907104

約数和(自身を除く): 14598243

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 81, 99, 117, 143, 297, 351, 429, 891, 1053, 1287, 1667, 3861, 5001, 11583, 15003, 18337, 21671, 45009, 55011, 65013, 135027, 165033, 195039, 238381, 495099, 585117, 715143, 1485297, 1755351, 2145429, 6436287, 19308861]

約数ペア:

[(1, 19308861), (3, 6436287), (9, 2145429), (11, 1755351), (13, 1485297), (27, 715143), (33, 585117), (39, 495099), (81, 238381), (99, 195039), (117, 165033), (143, 135027), (297, 65013), (351, 55011), (429, 45009), (891, 21671), (1053, 18337), (1287, 15003), (1667, 11583), (3861, 5001)]