19856384

素因数分解:

$2^{10}\times {\mathrm{19391}}^1$

素因数の和:19411

約数の個数: 22

約数和(自身を含む): 39695424

約数和(自身を除く): 19839040

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 19391, 38782, 77564, 155128, 310256, 620512, 1241024, 2482048, 4964096, 9928192, 19856384]

約数ペア:

[(1, 19856384), (2, 9928192), (4, 4964096), (8, 2482048), (16, 1241024), (32, 620512), (64, 310256), (128, 155128), (256, 77564), (512, 38782), (1024, 19391)]