15947728

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{2437}}^1$

素因数の和:2854

約数の個数: 20

約数和(自身を含む): 30986980

約数和(自身を除く): 15039252

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 2437, 3272, 4874, 6544, 9748, 19496, 38992, 996733, 1993466, 3986932, 7973864, 15947728]

約数ペア:

[(1, 15947728), (2, 7973864), (4, 3986932), (8, 1993466), (16, 996733), (409, 38992), (818, 19496), (1636, 9748), (2437, 6544), (3272, 4874)]