19837994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{24371}}^1$

素因数の和:24421

約数の個数: 16

約数和(自身を含む): 33340896

約数和(自身を除く): 13502902

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 24371, 48742, 268081, 536162, 901727, 1803454, 9918997, 19837994]

約数ペア:

[(1, 19837994), (2, 9918997), (11, 1803454), (22, 901727), (37, 536162), (74, 268081), (407, 48742), (814, 24371)]