19268920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43793}}^1$

素因数の和:43815

約数の個数: 32

約数和(自身を含む): 47297520

約数和(自身を除く): 28028600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 43793, 87586, 175172, 218965, 350344, 437930, 481723, 875860, 963446, 1751720, 1926892, 2408615, 3853784, 4817230, 9634460, 19268920]

約数ペア:

[(1, 19268920), (2, 9634460), (4, 4817230), (5, 3853784), (8, 2408615), (10, 1926892), (11, 1751720), (20, 963446), (22, 875860), (40, 481723), (44, 437930), (55, 350344), (88, 218965), (110, 175172), (220, 87586), (440, 43793)]