19911544

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1297}}^1$

素因数の和:1423

約数の個数: 32

約数和(自身を含む): 39718800

約数和(自身を除く): 19807256

約数列:

[1, 2, 4, 8, 19, 38, 76, 101, 152, 202, 404, 808, 1297, 1919, 2594, 3838, 5188, 7676, 10376, 15352, 24643, 49286, 98572, 130997, 197144, 261994, 523988, 1047976, 2488943, 4977886, 9955772, 19911544]

約数ペア:

[(1, 19911544), (2, 9955772), (4, 4977886), (8, 2488943), (19, 1047976), (38, 523988), (76, 261994), (101, 197144), (152, 130997), (202, 98572), (404, 49286), (808, 24643), (1297, 15352), (1919, 10376), (2594, 7676), (3838, 5188)]