19990586

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{479}}^1$

素因数の和:770

約数の個数: 32

約数和(自身を含む): 37601280

約数和(自身を除く): 17610694

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 271, 479, 542, 958, 1897, 2981, 3353, 3794, 5269, 5962, 6706, 10538, 20867, 36883, 41734, 73766, 129809, 259618, 908663, 1427899, 1817326, 2855798, 9995293, 19990586]

約数ペア:

[(1, 19990586), (2, 9995293), (7, 2855798), (11, 1817326), (14, 1427899), (22, 908663), (77, 259618), (154, 129809), (271, 73766), (479, 41734), (542, 36883), (958, 20867), (1897, 10538), (2981, 6706), (3353, 5962), (3794, 5269)]