42405872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{139493}}^1$

素因数の和:139520

約数の個数: 20

約数和(自身を含む): 86486280

約数和(自身を除く): 44080408

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 139493, 278986, 557972, 1115944, 2231888, 2650367, 5300734, 10601468, 21202936, 42405872]

約数ペア:

[(1, 42405872), (2, 21202936), (4, 10601468), (8, 5300734), (16, 2650367), (19, 2231888), (38, 1115944), (76, 557972), (152, 278986), (304, 139493)]