19913807

素因数分解:

${\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:410

約数の個数: 16

約数和(自身を含む): 21550560

約数和(自身を除く): 1636753

約数列:

[1, 29, 37, 67, 277, 1073, 1943, 2479, 8033, 10249, 18559, 71891, 297221, 538211, 686683, 19913807]

約数ペア:

[(1, 19913807), (29, 686683), (37, 538211), (67, 297221), (277, 71891), (1073, 18559), (1943, 10249), (2479, 8033)]