19487049

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{449}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 29548800

約数和(自身を除く): 10061751

約数列:

[1, 3, 17, 23, 37, 51, 69, 111, 391, 449, 629, 851, 1173, 1347, 1887, 2553, 7633, 10327, 14467, 16613, 22899, 30981, 43401, 49839, 175559, 282421, 382099, 526677, 847263, 1146297, 6495683, 19487049]

約数ペア:

[(1, 19487049), (3, 6495683), (17, 1146297), (23, 847263), (37, 526677), (51, 382099), (69, 282421), (111, 175559), (391, 49839), (449, 43401), (629, 30981), (851, 22899), (1173, 16613), (1347, 14467), (1887, 10327), (2553, 7633)]