19745450494

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{128217211}}^1$

素因数の和:128217231

約数の個数: 16

約数和(自身を含む): 36926557056

約数和(自身を除く): 17181106562

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 128217211, 256434422, 897520477, 1410389321, 1795040954, 2820778642, 9872725247, 19745450494]

約数ペア:

[(1, 19745450494), (2, 9872725247), (7, 2820778642), (11, 1795040954), (14, 1410389321), (22, 897520477), (77, 256434422), (154, 128217211)]