19933534

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{613}}^1$

素因数の和:915

約数の個数: 16

約数和(自身を含む): 30503520

約数和(自身を除く): 10569986

約数列:

[1, 2, 71, 142, 229, 458, 613, 1226, 16259, 32518, 43523, 87046, 140377, 280754, 9966767, 19933534]

約数ペア:

[(1, 19933534), (2, 9966767), (71, 280754), (142, 140377), (229, 87046), (458, 43523), (613, 32518), (1226, 16259)]