19221404

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{1277}}^1$

素因数の和:1405

約数の個数: 24

約数和(自身を含む): 34782048

約数和(自身を除く): 15560644

約数列:

[1, 2, 4, 53, 71, 106, 142, 212, 284, 1277, 2554, 3763, 5108, 7526, 15052, 67681, 90667, 135362, 181334, 270724, 362668, 4805351, 9610702, 19221404]

約数ペア:

[(1, 19221404), (2, 9610702), (4, 4805351), (53, 362668), (71, 270724), (106, 181334), (142, 135362), (212, 90667), (284, 67681), (1277, 15052), (2554, 7526), (3763, 5108)]