19996306

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{12451}}^1$

素因数の和:12537

約数の個数: 16

約数和(自身を含む): 33172128

約数和(自身を除く): 13175822

約数列:

[1, 2, 11, 22, 73, 146, 803, 1606, 12451, 24902, 136961, 273922, 908923, 1817846, 9998153, 19996306]

約数ペア:

[(1, 19996306), (2, 9998153), (11, 1817846), (22, 908923), (73, 273922), (146, 136961), (803, 24902), (1606, 12451)]