18420776

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{209327}}^1$

素因数の和:209344

約数の個数: 16

約数和(自身を含む): 37679040

約数和(自身を除く): 19258264

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 209327, 418654, 837308, 1674616, 2302597, 4605194, 9210388, 18420776]

約数ペア:

[(1, 18420776), (2, 9210388), (4, 4605194), (8, 2302597), (11, 1674616), (22, 837308), (44, 418654), (88, 209327)]