19455562

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:163

約数の個数: 48

約数和(自身を含む): 36312192

約数和(自身を除く): 16856630

約数列:

[1, 2, 7, 14, 23, 37, 46, 71, 74, 142, 161, 259, 322, 497, 518, 529, 851, 994, 1058, 1633, 1702, 2627, 3266, 3703, 5254, 5957, 7406, 11431, 11914, 18389, 19573, 22862, 36778, 37559, 39146, 60421, 75118, 120842, 137011, 262913, 274022, 422947, 525826, 845894, 1389683, 2779366, 9727781, 19455562]

約数ペア:

[(1, 19455562), (2, 9727781), (7, 2779366), (14, 1389683), (23, 845894), (37, 525826), (46, 422947), (71, 274022), (74, 262913), (142, 137011), (161, 120842), (259, 75118), (322, 60421), (497, 39146), (518, 37559), (529, 36778), (851, 22862), (994, 19573), (1058, 18389), (1633, 11914), (1702, 11431), (2627, 7406), (3266, 5957), (3703, 5254)]