19086977

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1531}}^1$

素因数の和:1688

約数の個数: 16

約数和(自身を含む): 23678592

約数和(自身を除く): 4591615

約数列:

[1, 7, 13, 91, 137, 959, 1531, 1781, 10717, 12467, 19903, 139321, 209747, 1468229, 2726711, 19086977]

約数ペア:

[(1, 19086977), (7, 2726711), (13, 1468229), (91, 209747), (137, 139321), (959, 19903), (1531, 12467), (1781, 10717)]