16565872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{54493}}^1$

素因数の和:54520

約数の個数: 20

約数和(自身を含む): 33786280

約数和(自身を除く): 17220408

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 54493, 108986, 217972, 435944, 871888, 1035367, 2070734, 4141468, 8282936, 16565872]

約数ペア:

[(1, 16565872), (2, 8282936), (4, 4141468), (8, 2070734), (16, 1035367), (19, 871888), (38, 435944), (76, 217972), (152, 108986), (304, 54493)]