19962573

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 29548800

約数和(自身を除く): 9586227

約数列:

[1, 3, 17, 37, 51, 71, 111, 149, 213, 447, 629, 1207, 1887, 2533, 2627, 3621, 5513, 7599, 7881, 10579, 16539, 31737, 44659, 93721, 133977, 179843, 281163, 391423, 539529, 1174269, 6654191, 19962573]

約数ペア:

[(1, 19962573), (3, 6654191), (17, 1174269), (37, 539529), (51, 391423), (71, 281163), (111, 179843), (149, 133977), (213, 93721), (447, 44659), (629, 31737), (1207, 16539), (1887, 10579), (2533, 7881), (2627, 7599), (3621, 5513)]