2019938260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{739}}^1\times {\mathrm{7193}}^1$

素因数の和:7960

約数の個数: 48

約数和(自身を含む): 4471790400

約数和(自身を除く): 2451852140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 739, 1478, 2956, 3695, 7193, 7390, 14041, 14386, 14780, 28082, 28772, 35965, 56164, 70205, 71930, 136667, 140410, 143860, 273334, 280820, 546668, 683335, 1366670, 2733340, 5315627, 10631254, 21262508, 26578135, 53156270, 100996913, 106312540, 201993826, 403987652, 504984565, 1009969130, 2019938260]

約数ペア:

[(1, 2019938260), (2, 1009969130), (4, 504984565), (5, 403987652), (10, 201993826), (19, 106312540), (20, 100996913), (38, 53156270), (76, 26578135), (95, 21262508), (190, 10631254), (380, 5315627), (739, 2733340), (1478, 1366670), (2956, 683335), (3695, 546668), (7193, 280820), (7390, 273334), (14041, 143860), (14386, 140410), (14780, 136667), (28082, 71930), (28772, 70205), (35965, 56164)]