19665272

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{223469}}^1$

素因数の和:223486

約数の個数: 16

約数和(自身を含む): 40224600

約数和(自身を除く): 20559328

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 223469, 446938, 893876, 1787752, 2458159, 4916318, 9832636, 19665272]

約数ペア:

[(1, 19665272), (2, 9832636), (4, 4916318), (8, 2458159), (11, 1787752), (22, 893876), (44, 446938), (88, 223469)]