19984662

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^2\times {\mathrm{811}}^1$

素因数の和:893

約数の個数: 36

約数和(自身を含む): 44556876

約数和(自身を除く): 24572214

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 811, 1369, 1622, 2433, 2738, 4107, 4866, 7299, 8214, 12321, 14598, 24642, 30007, 60014, 90021, 180042, 270063, 540126, 1110259, 2220518, 3330777, 6661554, 9992331, 19984662]

約数ペア:

[(1, 19984662), (2, 9992331), (3, 6661554), (6, 3330777), (9, 2220518), (18, 1110259), (37, 540126), (74, 270063), (111, 180042), (222, 90021), (333, 60014), (666, 30007), (811, 24642), (1369, 14598), (1622, 12321), (2433, 8214), (2738, 7299), (4107, 4866)]