19658721

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{6949}}^1$

素因数の和:7016

約数の個数: 16

約数和(自身を含む): 28022400

約数和(自身を除く): 8363679

約数列:

[1, 3, 23, 41, 69, 123, 943, 2829, 6949, 20847, 159827, 284909, 479481, 854727, 6552907, 19658721]

約数ペア:

[(1, 19658721), (3, 6552907), (23, 854727), (41, 479481), (69, 284909), (123, 159827), (943, 20847), (2829, 6949)]