19206081

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 31030272

約数和(自身を除く): 11824191

約数列:

[1, 3, 9, 23, 31, 41, 69, 73, 93, 123, 207, 219, 279, 369, 657, 713, 943, 1271, 1679, 2139, 2263, 2829, 2993, 3813, 5037, 6417, 6789, 8487, 8979, 11439, 15111, 20367, 26937, 29233, 52049, 68839, 87699, 92783, 156147, 206517, 263097, 278349, 468441, 619551, 835047, 2134009, 6402027, 19206081]

約数ペア:

[(1, 19206081), (3, 6402027), (9, 2134009), (23, 835047), (31, 619551), (41, 468441), (69, 278349), (73, 263097), (93, 206517), (123, 156147), (207, 92783), (219, 87699), (279, 68839), (369, 52049), (657, 29233), (713, 26937), (943, 20367), (1271, 15111), (1679, 11439), (2139, 8979), (2263, 8487), (2829, 6789), (2993, 6417), (3813, 5037)]