19995961

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1997}}^1$

素因数の和:2064

約数の個数: 16

約数和(自身を含む): 23016960

約数和(自身を除く): 3020999

約数列:

[1, 17, 19, 31, 323, 527, 589, 1997, 10013, 33949, 37943, 61907, 645031, 1052419, 1176233, 19995961]

約数ペア:

[(1, 19995961), (17, 1176233), (19, 1052419), (31, 645031), (323, 61907), (527, 37943), (589, 33949), (1997, 10013)]