19948964

素因数分解:

$2^2\times 7^1\times {\mathrm{457}}^1\times {\mathrm{1559}}^1$

素因数の和:2027

約数の個数: 24

約数和(自身を含む): 40010880

約数和(自身を除く): 20061916

約数列:

[1, 2, 4, 7, 14, 28, 457, 914, 1559, 1828, 3118, 3199, 6236, 6398, 10913, 12796, 21826, 43652, 712463, 1424926, 2849852, 4987241, 9974482, 19948964]

約数ペア:

[(1, 19948964), (2, 9974482), (4, 4987241), (7, 2849852), (14, 1424926), (28, 712463), (457, 43652), (914, 21826), (1559, 12796), (1828, 10913), (3118, 6398), (3199, 6236)]