15865456

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{52189}}^1$

素因数の和:52216

約数の個数: 20

約数和(自身を含む): 32357800

約数和(自身を除く): 16492344

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 52189, 104378, 208756, 417512, 835024, 991591, 1983182, 3966364, 7932728, 15865456]

約数ペア:

[(1, 15865456), (2, 7932728), (4, 3966364), (8, 1983182), (16, 991591), (19, 835024), (38, 417512), (76, 208756), (152, 104378), (304, 52189)]