19841140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{90187}}^1$

素因数の和:90207

約数の個数: 24

約数和(自身を含む): 45454752

約数和(自身を除く): 25613612

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 90187, 180374, 360748, 450935, 901870, 992057, 1803740, 1984114, 3968228, 4960285, 9920570, 19841140]

約数ペア:

[(1, 19841140), (2, 9920570), (4, 4960285), (5, 3968228), (10, 1984114), (11, 1803740), (20, 992057), (22, 901870), (44, 450935), (55, 360748), (110, 180374), (220, 90187)]