19340816

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{109891}}^1$

素因数の和:109910

約数の個数: 20

約数和(自身を含む): 40879824

約数和(自身を除く): 21539008

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 109891, 219782, 439564, 879128, 1208801, 1758256, 2417602, 4835204, 9670408, 19340816]

約数ペア:

[(1, 19340816), (2, 9670408), (4, 4835204), (8, 2417602), (11, 1758256), (16, 1208801), (22, 879128), (44, 439564), (88, 219782), (176, 109891)]