19749804956

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{14087}}^1$

素因数の和:14439

約数の個数: 72

約数和(自身を含む): 42090886656

約数和(自身を除く): 22341081700

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 311, 322, 622, 644, 1127, 1244, 2177, 2254, 4354, 4508, 7153, 8708, 14087, 14306, 15239, 28174, 28612, 30478, 50071, 56348, 60956, 98609, 100142, 197218, 200284, 324001, 350497, 394436, 648002, 690263, 700994, 1296004, 1380526, 1401988, 2268007, 2761052, 4381057, 4536014, 8762114, 9072028, 15876049, 17524228, 30667399, 31752098, 61334798, 63504196, 100764311, 122669596, 201528622, 214671793, 403057244, 429343586, 705350177, 858687172, 1410700354, 2821400708, 4937451239, 9874902478, 19749804956]

約数ペア:

[(1, 19749804956), (2, 9874902478), (4, 4937451239), (7, 2821400708), (14, 1410700354), (23, 858687172), (28, 705350177), (46, 429343586), (49, 403057244), (92, 214671793), (98, 201528622), (161, 122669596), (196, 100764311), (311, 63504196), (322, 61334798), (622, 31752098), (644, 30667399), (1127, 17524228), (1244, 15876049), (2177, 9072028), (2254, 8762114), (4354, 4536014), (4508, 4381057), (7153, 2761052), (8708, 2268007), (14087, 1401988), (14306, 1380526), (15239, 1296004), (28174, 700994), (28612, 690263), (30478, 648002), (50071, 394436), (56348, 350497), (60956, 324001), (98609, 200284), (100142, 197218)]