7221821872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23755993}}^1$

素因数の和:23756020

約数の個数: 20

約数和(自身を含む): 14728716280

約数和(自身を除く): 7506894408

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 23755993, 47511986, 95023972, 190047944, 380095888, 451363867, 902727734, 1805455468, 3610910936, 7221821872]

約数ペア:

[(1, 7221821872), (2, 3610910936), (4, 1805455468), (8, 902727734), (16, 451363867), (19, 380095888), (38, 190047944), (76, 95023972), (152, 47511986), (304, 23755993)]