18719888

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{106363}}^1$

素因数の和:106382

約数の個数: 20

約数和(自身を含む): 39567408

約数和(自身を除く): 20847520

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 106363, 212726, 425452, 850904, 1169993, 1701808, 2339986, 4679972, 9359944, 18719888]

約数ペア:

[(1, 18719888), (2, 9359944), (4, 4679972), (8, 2339986), (11, 1701808), (16, 1169993), (22, 850904), (44, 425452), (88, 212726), (176, 106363)]