19043728

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{108203}}^1$

素因数の和:108222

約数の個数: 20

約数和(自身を含む): 40251888

約数和(自身を除く): 21208160

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 108203, 216406, 432812, 865624, 1190233, 1731248, 2380466, 4760932, 9521864, 19043728]

約数ペア:

[(1, 19043728), (2, 9521864), (4, 4760932), (8, 2380466), (11, 1731248), (16, 1190233), (22, 865624), (44, 432812), (88, 216406), (176, 108203)]