19480274

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{797}}^1$

素因数の和:922

約数の個数: 24

約数和(自身を含む): 32477004

約数和(自身を除く): 12996730

約数列:

[1, 2, 11, 22, 101, 121, 202, 242, 797, 1111, 1594, 2222, 8767, 12221, 17534, 24442, 80497, 96437, 160994, 192874, 885467, 1770934, 9740137, 19480274]

約数ペア:

[(1, 19480274), (2, 9740137), (11, 1770934), (22, 885467), (101, 192874), (121, 160994), (202, 96437), (242, 80497), (797, 24442), (1111, 17534), (1594, 12221), (2222, 8767)]