18873776

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{28771}}^1$

素因数の和:28820

約数の個数: 20

約数和(自身を含む): 37461144

約数和(自身を除く): 18587368

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 28771, 57542, 115084, 230168, 460336, 1179611, 2359222, 4718444, 9436888, 18873776]

約数ペア:

[(1, 18873776), (2, 9436888), (4, 4718444), (8, 2359222), (16, 1179611), (41, 460336), (82, 230168), (164, 115084), (328, 57542), (656, 28771)]