18466580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83939}}^1$

素因数の和:83959

約数の個数: 24

約数和(自身を含む): 42305760

約数和(自身を除く): 23839180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 83939, 167878, 335756, 419695, 839390, 923329, 1678780, 1846658, 3693316, 4616645, 9233290, 18466580]

約数ペア:

[(1, 18466580), (2, 9233290), (4, 4616645), (5, 3693316), (10, 1846658), (11, 1678780), (20, 923329), (22, 839390), (44, 419695), (55, 335756), (110, 167878), (220, 83939)]