19391488

素因数分解:

$2^{10}\times {\mathrm{29}}^1\times {\mathrm{653}}^1$

素因数の和:702

約数の個数: 44

約数和(自身を含む): 40162140

約数和(自身を除く): 20770652

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 256, 464, 512, 653, 928, 1024, 1306, 1856, 2612, 3712, 5224, 7424, 10448, 14848, 18937, 20896, 29696, 37874, 41792, 75748, 83584, 151496, 167168, 302992, 334336, 605984, 668672, 1211968, 2423936, 4847872, 9695744, 19391488]

約数ペア:

[(1, 19391488), (2, 9695744), (4, 4847872), (8, 2423936), (16, 1211968), (29, 668672), (32, 605984), (58, 334336), (64, 302992), (116, 167168), (128, 151496), (232, 83584), (256, 75748), (464, 41792), (512, 37874), (653, 29696), (928, 20896), (1024, 18937), (1306, 14848), (1856, 10448), (2612, 7424), (3712, 5224)]