19159888

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{108863}}^1$

素因数の和:108882

約数の個数: 20

約数和(自身を含む): 40497408

約数和(自身を除く): 21337520

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 108863, 217726, 435452, 870904, 1197493, 1741808, 2394986, 4789972, 9579944, 19159888]

約数ペア:

[(1, 19159888), (2, 9579944), (4, 4789972), (8, 2394986), (11, 1741808), (16, 1197493), (22, 870904), (44, 435452), (88, 217726), (176, 108863)]