19222259

素因数分解:

$7^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:243

約数の個数: 24

約数和(自身を含む): 23324400

約数和(自身を除く): 4102141

約数列:

[1, 7, 49, 59, 61, 109, 413, 427, 763, 2891, 2989, 3599, 5341, 6431, 6649, 25193, 45017, 46543, 176351, 315119, 325801, 392291, 2746037, 19222259]

約数ペア:

[(1, 19222259), (7, 2746037), (49, 392291), (59, 325801), (61, 315119), (109, 176351), (413, 46543), (427, 45017), (763, 25193), (2891, 6649), (2989, 6431), (3599, 5341)]