19266280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43787}}^1$

素因数の和:43809

約数の個数: 32

約数和(自身を含む): 47291040

約数和(自身を除く): 28024760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 43787, 87574, 175148, 218935, 350296, 437870, 481657, 875740, 963314, 1751480, 1926628, 2408285, 3853256, 4816570, 9633140, 19266280]

約数ペア:

[(1, 19266280), (2, 9633140), (4, 4816570), (5, 3853256), (8, 2408285), (10, 1926628), (11, 1751480), (20, 963314), (22, 875740), (40, 481657), (44, 437870), (55, 350296), (88, 218935), (110, 175148), (220, 87574), (440, 43787)]