1808620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8221}}^1$

素因数の和:8241

約数の個数: 24

約数和(自身を含む): 4143888

約数和(自身を除く): 2335268

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 8221, 16442, 32884, 41105, 82210, 90431, 164420, 180862, 361724, 452155, 904310, 1808620]

約数ペア:

[(1, 1808620), (2, 904310), (4, 452155), (5, 361724), (10, 180862), (11, 164420), (20, 90431), (22, 82210), (44, 41105), (55, 32884), (110, 16442), (220, 8221)]