19680056

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{223637}}^1$

素因数の和:223654

約数の個数: 16

約数和(自身を含む): 40254840

約数和(自身を除く): 20574784

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 223637, 447274, 894548, 1789096, 2460007, 4920014, 9840028, 19680056]

約数ペア:

[(1, 19680056), (2, 9840028), (4, 4920014), (8, 2460007), (11, 1789096), (22, 894548), (44, 447274), (88, 223637)]