19965087184

素因数分解:

$2^4\times 7^1\times {\mathrm{178259707}}^1$

素因数の和:178259722

約数の個数: 20

約数和(自身を含む): 44208407584

約数和(自身を除く): 24243320400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 178259707, 356519414, 713038828, 1247817949, 1426077656, 2495635898, 2852155312, 4991271796, 9982543592, 19965087184]

約数ペア:

[(1, 19965087184), (2, 9982543592), (4, 4991271796), (7, 2852155312), (8, 2495635898), (14, 1426077656), (16, 1247817949), (28, 713038828), (56, 356519414), (112, 178259707)]