18920674

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{1721}}^1$

素因数の和:1985

約数の個数: 16

約数和(自身を含む): 29756160

約数和(自身を除く): 10835486

約数列:

[1, 2, 23, 46, 239, 478, 1721, 3442, 5497, 10994, 39583, 79166, 411319, 822638, 9460337, 18920674]

約数ペア:

[(1, 18920674), (2, 9460337), (23, 822638), (46, 411319), (239, 79166), (478, 39583), (1721, 10994), (3442, 5497)]