1898045270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{821}}^1\times {\mathrm{21017}}^1$

素因数の和:21856

約数の個数: 32

約数和(自身を含む): 3731787936

約数和(自身を除く): 1833742666

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 821, 1642, 4105, 8210, 9031, 18062, 21017, 42034, 45155, 90310, 105085, 210170, 231187, 462374, 1155935, 2311870, 17254957, 34509914, 86274785, 172549570, 189804527, 379609054, 949022635, 1898045270]

約数ペア:

[(1, 1898045270), (2, 949022635), (5, 379609054), (10, 189804527), (11, 172549570), (22, 86274785), (55, 34509914), (110, 17254957), (821, 2311870), (1642, 1155935), (4105, 462374), (8210, 231187), (9031, 210170), (18062, 105085), (21017, 90310), (42034, 45155)]