18898846

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{1361}}^1$

素因数の和:1547

約数の個数: 16

約数和(自身を含む): 29125008

約数和(自身を除く): 10226162

約数列:

[1, 2, 53, 106, 131, 262, 1361, 2722, 6943, 13886, 72133, 144266, 178291, 356582, 9449423, 18898846]

約数ペア:

[(1, 18898846), (2, 9449423), (53, 356582), (106, 178291), (131, 144266), (262, 72133), (1361, 13886), (2722, 6943)]