18959116

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{4027}}^1$

素因数の和:4149

約数の個数: 24

約数和(自身を含む): 36542016

約数和(自身を除く): 17582900

約数列:

[1, 2, 4, 11, 22, 44, 107, 214, 428, 1177, 2354, 4027, 4708, 8054, 16108, 44297, 88594, 177188, 430889, 861778, 1723556, 4739779, 9479558, 18959116]

約数ペア:

[(1, 18959116), (2, 9479558), (4, 4739779), (11, 1723556), (22, 861778), (44, 430889), (107, 177188), (214, 88594), (428, 44297), (1177, 16108), (2354, 8054), (4027, 4708)]