19663028

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{63841}}^1$

素因数の和:63863

約数の個数: 24

約数和(自身を含む): 42901824

約数和(自身を除く): 23238796

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 63841, 127682, 255364, 446887, 702251, 893774, 1404502, 1787548, 2809004, 4915757, 9831514, 19663028]

約数ペア:

[(1, 19663028), (2, 9831514), (4, 4915757), (7, 2809004), (11, 1787548), (14, 1404502), (22, 893774), (28, 702251), (44, 446887), (77, 255364), (154, 127682), (308, 63841)]