19979968318

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{13666189}}^1$

素因数の和:13666251

約数の個数: 16

約数和(自身を含む): 32470867440

約数和(自身を除く): 12490899122

約数列:

[1, 2, 17, 34, 43, 86, 731, 1462, 13666189, 27332378, 232325213, 464650426, 587646127, 1175292254, 9989984159, 19979968318]

約数ペア:

[(1, 19979968318), (2, 9989984159), (17, 1175292254), (34, 587646127), (43, 464650426), (86, 232325213), (731, 27332378), (1462, 13666189)]