18310415

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1789}}^1$

素因数の和:1906

約数の個数: 16

約数和(自身を含む): 23198400

約数和(自身を除く): 4887985

約数列:

[1, 5, 23, 89, 115, 445, 1789, 2047, 8945, 10235, 41147, 159221, 205735, 796105, 3662083, 18310415]

約数ペア:

[(1, 18310415), (5, 3662083), (23, 796105), (89, 205735), (115, 159221), (445, 41147), (1789, 10235), (2047, 8945)]