26651984

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{87671}}^1$

素因数の和:87698

約数の個数: 20

約数和(自身を含む): 54356640

約数和(自身を除く): 27704656

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 87671, 175342, 350684, 701368, 1402736, 1665749, 3331498, 6662996, 13325992, 26651984]

約数ペア:

[(1, 26651984), (2, 13325992), (4, 6662996), (8, 3331498), (16, 1665749), (19, 1402736), (38, 701368), (76, 350684), (152, 175342), (304, 87671)]