19247888

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{109363}}^1$

素因数の和:109382

約数の個数: 20

約数和(自身を含む): 40683408

約数和(自身を除く): 21435520

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 109363, 218726, 437452, 874904, 1202993, 1749808, 2405986, 4811972, 9623944, 19247888]

約数ペア:

[(1, 19247888), (2, 9623944), (4, 4811972), (8, 2405986), (11, 1749808), (16, 1202993), (22, 874904), (44, 437452), (88, 218726), (176, 109363)]