18886437

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{5813}}^1$

素因数の和:5857

約数の個数: 18

約数和(自身を含む): 28796742

約数和(自身を除く): 9910305

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 5813, 17439, 52317, 110447, 331341, 994023, 2098493, 6295479, 18886437]

約数ペア:

[(1, 18886437), (3, 6295479), (9, 2098493), (19, 994023), (57, 331341), (171, 110447), (361, 52317), (1083, 17439), (3249, 5813)]