19528978

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{60649}}^1$

素因数の和:60681

約数の個数: 16

約数和(自身を含む): 34934400

約数和(自身を除く): 15405422

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 60649, 121298, 424543, 849086, 1394927, 2789854, 9764489, 19528978]

約数ペア:

[(1, 19528978), (2, 9764489), (7, 2789854), (14, 1394927), (23, 849086), (46, 424543), (161, 121298), (322, 60649)]