19936081

素因数分解:

${\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:193

約数の個数: 24

約数和(自身を含む): 23187752

約数和(自身を除く): 3251671

約数列:

[1, 11, 37, 61, 73, 121, 407, 671, 803, 2257, 2701, 4453, 4477, 7381, 8833, 24827, 29711, 48983, 164761, 273097, 326821, 538813, 1812371, 19936081]

約数ペア:

[(1, 19936081), (11, 1812371), (37, 538813), (61, 326821), (73, 273097), (121, 164761), (407, 48983), (671, 29711), (803, 24827), (2257, 8833), (2701, 7381), (4453, 4477)]