19308740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{87767}}^1$

素因数の和:87787

約数の個数: 24

約数和(自身を含む): 44235072

約数和(自身を除く): 24926332

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 87767, 175534, 351068, 438835, 877670, 965437, 1755340, 1930874, 3861748, 4827185, 9654370, 19308740]

約数ペア:

[(1, 19308740), (2, 9654370), (4, 4827185), (5, 3861748), (10, 1930874), (11, 1755340), (20, 965437), (22, 877670), (44, 438835), (55, 351068), (110, 175534), (220, 87767)]