28421872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{93493}}^1$

素因数の和:93520

約数の個数: 20

約数和(自身を含む): 57966280

約数和(自身を除く): 29544408

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 93493, 186986, 373972, 747944, 1495888, 1776367, 3552734, 7105468, 14210936, 28421872]

約数ペア:

[(1, 28421872), (2, 14210936), (4, 7105468), (8, 3552734), (16, 1776367), (19, 1495888), (38, 747944), (76, 373972), (152, 186986), (304, 93493)]