19163078

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{2069}}^1$

素因数の和:2503

約数の個数: 16

約数和(自身を含む): 31447440

約数和(自身を除く): 12284362

約数列:

[1, 2, 11, 22, 421, 842, 2069, 4138, 4631, 9262, 22759, 45518, 871049, 1742098, 9581539, 19163078]

約数ペア:

[(1, 19163078), (2, 9581539), (11, 1742098), (22, 871049), (421, 45518), (842, 22759), (2069, 9262), (4138, 4631)]