19235286620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{87433121}}^1$

素因数の和:87433141

約数の個数: 24

約数和(自身を含む): 44066293488

約数和(自身を除く): 24831006868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 87433121, 174866242, 349732484, 437165605, 874331210, 961764331, 1748662420, 1923528662, 3847057324, 4808821655, 9617643310, 19235286620]

約数ペア:

[(1, 19235286620), (2, 9617643310), (4, 4808821655), (5, 3847057324), (10, 1923528662), (11, 1748662420), (20, 961764331), (22, 874331210), (44, 437165605), (55, 349732484), (110, 174866242), (220, 87433121)]