19371387

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{233}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 30730752

約数和(自身を除く): 11359365

約数列:

[1, 3, 7, 21, 37, 107, 111, 233, 259, 321, 699, 749, 777, 1631, 2247, 3959, 4893, 8621, 11877, 24931, 25863, 27713, 60347, 74793, 83139, 174517, 181041, 523551, 922447, 2767341, 6457129, 19371387]

約数ペア:

[(1, 19371387), (3, 6457129), (7, 2767341), (21, 922447), (37, 523551), (107, 181041), (111, 174517), (233, 83139), (259, 74793), (321, 60347), (699, 27713), (749, 25863), (777, 24931), (1631, 11877), (2247, 8621), (3959, 4893)]