19898368

素因数分解:

$2^{13}\times 7^1\times {\mathrm{347}}^1$

素因数の和:380

約数の個数: 56

約数和(自身を含む): 45610272

約数和(自身を除く): 25711904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 347, 448, 512, 694, 896, 1024, 1388, 1792, 2048, 2429, 2776, 3584, 4096, 4858, 5552, 7168, 8192, 9716, 11104, 14336, 19432, 22208, 28672, 38864, 44416, 57344, 77728, 88832, 155456, 177664, 310912, 355328, 621824, 710656, 1243648, 1421312, 2487296, 2842624, 4974592, 9949184, 19898368]

約数ペア:

[(1, 19898368), (2, 9949184), (4, 4974592), (7, 2842624), (8, 2487296), (14, 1421312), (16, 1243648), (28, 710656), (32, 621824), (56, 355328), (64, 310912), (112, 177664), (128, 155456), (224, 88832), (256, 77728), (347, 57344), (448, 44416), (512, 38864), (694, 28672), (896, 22208), (1024, 19432), (1388, 14336), (1792, 11104), (2048, 9716), (2429, 8192), (2776, 7168), (3584, 5552), (4096, 4858)]