19011328

素因数分解:

$2^8\times 7^1\times {\mathrm{103}}^2$

素因数の和:229

約数の個数: 54

約数和(自身を含む): 43794744

約数和(自身を除く): 24783416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 103, 112, 128, 206, 224, 256, 412, 448, 721, 824, 896, 1442, 1648, 1792, 2884, 3296, 5768, 6592, 10609, 11536, 13184, 21218, 23072, 26368, 42436, 46144, 74263, 84872, 92288, 148526, 169744, 184576, 297052, 339488, 594104, 678976, 1188208, 1357952, 2376416, 2715904, 4752832, 9505664, 19011328]

約数ペア:

[(1, 19011328), (2, 9505664), (4, 4752832), (7, 2715904), (8, 2376416), (14, 1357952), (16, 1188208), (28, 678976), (32, 594104), (56, 339488), (64, 297052), (103, 184576), (112, 169744), (128, 148526), (206, 92288), (224, 84872), (256, 74263), (412, 46144), (448, 42436), (721, 26368), (824, 23072), (896, 21218), (1442, 13184), (1648, 11536), (1792, 10609), (2884, 6592), (3296, 5768)]