19859456

素因数分解:

$2^{11}\times {\mathrm{9697}}^1$

素因数の和:9719

約数の個数: 24

約数和(自身を含む): 39713310

約数和(自身を除く): 19853854

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 9697, 19394, 38788, 77576, 155152, 310304, 620608, 1241216, 2482432, 4964864, 9929728, 19859456]

約数ペア:

[(1, 19859456), (2, 9929728), (4, 4964864), (8, 2482432), (16, 1241216), (32, 620608), (64, 310304), (128, 155152), (256, 77576), (512, 38788), (1024, 19394), (2048, 9697)]