19315340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{87797}}^1$

素因数の和:87817

約数の個数: 24

約数和(自身を含む): 44250192

約数和(自身を除く): 24934852

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 87797, 175594, 351188, 438985, 877970, 965767, 1755940, 1931534, 3863068, 4828835, 9657670, 19315340]

約数ペア:

[(1, 19315340), (2, 9657670), (4, 4828835), (5, 3863068), (10, 1931534), (11, 1755940), (20, 965767), (22, 877970), (44, 438985), (55, 351188), (110, 175594), (220, 87797)]