15561844

素因数分解:

$2^2\times {\mathrm{421}}^1\times {\mathrm{9241}}^1$

素因数の和:9666

約数の個数: 12

約数和(自身を含む): 27300868

約数和(自身を除く): 11739024

約数列:

[1, 2, 4, 421, 842, 1684, 9241, 18482, 36964, 3890461, 7780922, 15561844]

約数ペア:

[(1, 15561844), (2, 7780922), (4, 3890461), (421, 36964), (842, 18482), (1684, 9241)]