18070580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{82139}}^1$

素因数の和:82159

約数の個数: 24

約数和(自身を含む): 41398560

約数和(自身を除く): 23327980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 82139, 164278, 328556, 410695, 821390, 903529, 1642780, 1807058, 3614116, 4517645, 9035290, 18070580]

約数ペア:

[(1, 18070580), (2, 9035290), (4, 4517645), (5, 3614116), (10, 1807058), (11, 1642780), (20, 903529), (22, 821390), (44, 410695), (55, 328556), (110, 164278), (220, 82139)]