18706987

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1801}}^1$

素因数の和:1878

約数の個数: 16

約数和(自身を含む): 21796992

約数和(自身を除く): 3090005

約数列:

[1, 13, 17, 47, 221, 611, 799, 1801, 10387, 23413, 30617, 84647, 398021, 1100411, 1438999, 18706987]

約数ペア:

[(1, 18706987), (13, 1438999), (17, 1100411), (47, 398021), (221, 84647), (611, 30617), (799, 23413), (1801, 10387)]