19784314

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:310

約数の個数: 32

約数和(自身を含む): 33417216

約数和(自身を除く): 13632902

約数列:

[1, 2, 11, 22, 73, 97, 127, 146, 194, 254, 803, 1067, 1397, 1606, 2134, 2794, 7081, 9271, 12319, 14162, 18542, 24638, 77891, 101981, 135509, 155782, 203962, 271018, 899287, 1798574, 9892157, 19784314]

約数ペア:

[(1, 19784314), (2, 9892157), (11, 1798574), (22, 899287), (73, 271018), (97, 203962), (127, 155782), (146, 135509), (194, 101981), (254, 77891), (803, 24638), (1067, 18542), (1397, 14162), (1606, 12319), (2134, 9271), (2794, 7081)]