19102027

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{563}}^1$

素因数の和:738

約数の個数: 16

約数和(自身を含む): 22632192

約数和(自身を除く): 3530165

約数列:

[1, 7, 37, 131, 259, 563, 917, 3941, 4847, 20831, 33929, 73753, 145817, 516271, 2728861, 19102027]

約数ペア:

[(1, 19102027), (7, 2728861), (37, 516271), (131, 145817), (259, 73753), (563, 33929), (917, 20831), (3941, 4847)]