19987844

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{4657}}^1$

素因数の和:4727

約数の個数: 24

約数和(自身を含む): 37170840

約数和(自身を除く): 17182996

約数列:

[1, 2, 4, 29, 37, 58, 74, 116, 148, 1073, 2146, 4292, 4657, 9314, 18628, 135053, 172309, 270106, 344618, 540212, 689236, 4996961, 9993922, 19987844]

約数ペア:

[(1, 19987844), (2, 9993922), (4, 4996961), (29, 689236), (37, 540212), (58, 344618), (74, 270106), (116, 172309), (148, 135053), (1073, 18628), (2146, 9314), (4292, 4657)]