15381968

素因数分解:

$2^4\times 7^1\times {\mathrm{137339}}^1$

素因数の和:137354

約数の個数: 20

約数和(自身を含む): 34060320

約数和(自身を除く): 18678352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 137339, 274678, 549356, 961373, 1098712, 1922746, 2197424, 3845492, 7690984, 15381968]

約数ペア:

[(1, 15381968), (2, 7690984), (4, 3845492), (7, 2197424), (8, 1922746), (14, 1098712), (16, 961373), (28, 549356), (56, 274678), (112, 137339)]