19964556

素因数分解:

$2^2\times 3^4\times {\mathrm{43}}^1\times {\mathrm{1433}}^1$

素因数の和:1492

約数の個数: 60

約数和(自身を含む): 53442312

約数和(自身を除く): 33477756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 81, 86, 108, 129, 162, 172, 258, 324, 387, 516, 774, 1161, 1433, 1548, 2322, 2866, 3483, 4299, 4644, 5732, 6966, 8598, 12897, 13932, 17196, 25794, 38691, 51588, 61619, 77382, 116073, 123238, 154764, 184857, 232146, 246476, 369714, 464292, 554571, 739428, 1109142, 1663713, 2218284, 3327426, 4991139, 6654852, 9982278, 19964556]

約数ペア:

[(1, 19964556), (2, 9982278), (3, 6654852), (4, 4991139), (6, 3327426), (9, 2218284), (12, 1663713), (18, 1109142), (27, 739428), (36, 554571), (43, 464292), (54, 369714), (81, 246476), (86, 232146), (108, 184857), (129, 154764), (162, 123238), (172, 116073), (258, 77382), (324, 61619), (387, 51588), (516, 38691), (774, 25794), (1161, 17196), (1433, 13932), (1548, 12897), (2322, 8598), (2866, 6966), (3483, 5732), (4299, 4644)]