17791888

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{20981}}^1$

素因数の和:21042

約数の個数: 20

約数和(自身を含む): 35123868

約数和(自身を除く): 17331980

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 20981, 41962, 83924, 167848, 335696, 1111993, 2223986, 4447972, 8895944, 17791888]

約数ペア:

[(1, 17791888), (2, 8895944), (4, 4447972), (8, 2223986), (16, 1111993), (53, 335696), (106, 167848), (212, 83924), (424, 41962), (848, 20981)]