19856327183

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{4561}}^1$

素因数の和:4824

約数の個数: 48

約数和(自身を含む): 25949312928

約数和(自身を除く): 6092985745

約数列:

[1, 7, 11, 41, 49, 77, 197, 287, 451, 539, 1379, 2009, 2167, 3157, 4561, 8077, 9653, 15169, 22099, 31927, 50171, 56539, 88847, 106183, 187001, 223489, 351197, 395773, 621929, 898517, 1309007, 2057011, 2458379, 4353503, 6289619, 9163049, 9883687, 14399077, 36839197, 44027333, 69185809, 100793539, 257874379, 405231167, 484300663, 1805120653, 2836618169, 19856327183]

約数ペア:

[(1, 19856327183), (7, 2836618169), (11, 1805120653), (41, 484300663), (49, 405231167), (77, 257874379), (197, 100793539), (287, 69185809), (451, 44027333), (539, 36839197), (1379, 14399077), (2009, 9883687), (2167, 9163049), (3157, 6289619), (4561, 4353503), (8077, 2458379), (9653, 2057011), (15169, 1309007), (22099, 898517), (31927, 621929), (50171, 395773), (56539, 351197), (88847, 223489), (106183, 187001)]