19948126

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{12421}}^1$

素因数の和:12507

約数の個数: 16

約数和(自身を含む): 33092208

約数和(自身を除く): 13144082

約数列:

[1, 2, 11, 22, 73, 146, 803, 1606, 12421, 24842, 136631, 273262, 906733, 1813466, 9974063, 19948126]

約数ペア:

[(1, 19948126), (2, 9974063), (11, 1813466), (22, 906733), (73, 273262), (146, 136631), (803, 24842), (1606, 12421)]