18989036

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{2411}}^1$

素因数の和:2605

約数の個数: 24

約数和(自身を含む): 36469440

約数和(自身を除く): 17480404

約数列:

[1, 2, 4, 11, 22, 44, 179, 358, 716, 1969, 2411, 3938, 4822, 7876, 9644, 26521, 53042, 106084, 431569, 863138, 1726276, 4747259, 9494518, 18989036]

約数ペア:

[(1, 18989036), (2, 9494518), (4, 4747259), (11, 1726276), (22, 863138), (44, 431569), (179, 106084), (358, 53042), (716, 26521), (1969, 9644), (2411, 7876), (3938, 4822)]