2018861872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{6640993}}^1$

素因数の和:6641020

約数の個数: 20

約数和(自身を含む): 4117416280

約数和(自身を除く): 2098554408

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 6640993, 13281986, 26563972, 53127944, 106255888, 126178867, 252357734, 504715468, 1009430936, 2018861872]

約数ペア:

[(1, 2018861872), (2, 1009430936), (4, 504715468), (8, 252357734), (16, 126178867), (19, 106255888), (38, 53127944), (76, 26563972), (152, 13281986), (304, 6640993)]