19797668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{1867}}^1$

素因数の和:2123

約数の個数: 24

約数和(自身を含む): 37972704

約数和(自身を除く): 18175036

約数列:

[1, 2, 4, 11, 22, 44, 241, 482, 964, 1867, 2651, 3734, 5302, 7468, 10604, 20537, 41074, 82148, 449947, 899894, 1799788, 4949417, 9898834, 19797668]

約数ペア:

[(1, 19797668), (2, 9898834), (4, 4949417), (11, 1799788), (22, 899894), (44, 449947), (241, 82148), (482, 41074), (964, 20537), (1867, 10604), (2651, 7468), (3734, 5302)]