19001180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{86369}}^1$

素因数の和:86389

約数の個数: 24

約数和(自身を含む): 43530480

約数和(自身を除く): 24529300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 86369, 172738, 345476, 431845, 863690, 950059, 1727380, 1900118, 3800236, 4750295, 9500590, 19001180]

約数ペア:

[(1, 19001180), (2, 9500590), (4, 4750295), (5, 3800236), (10, 1900118), (11, 1727380), (20, 950059), (22, 863690), (44, 431845), (55, 345476), (110, 172738), (220, 86369)]