19858729

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1481}}^1$

素因数の和:1568

約数の個数: 16

約数和(自身を含む): 23048064

約数和(自身を除く): 3189335

約数列:

[1, 11, 23, 53, 253, 583, 1219, 1481, 13409, 16291, 34063, 78493, 374693, 863423, 1805339, 19858729]

約数ペア:

[(1, 19858729), (11, 1805339), (23, 863423), (53, 374693), (253, 78493), (583, 34063), (1219, 16291), (1481, 13409)]