19954048

素因数分解:

$2^7\times {\mathrm{155891}}^1$

素因数の和:155905

約数の個数: 16

約数和(自身を含む): 39752460

約数和(自身を除く): 19798412

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 155891, 311782, 623564, 1247128, 2494256, 4988512, 9977024, 19954048]

約数ペア:

[(1, 19954048), (2, 9977024), (4, 4988512), (8, 2494256), (16, 1247128), (32, 623564), (64, 311782), (128, 155891)]