17561648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{84431}}^1$

素因数の和:84452

約数の個数: 20

約数和(自身を含む): 36643488

約数和(自身を除く): 19081840

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 84431, 168862, 337724, 675448, 1097603, 1350896, 2195206, 4390412, 8780824, 17561648]

約数ペア:

[(1, 17561648), (2, 8780824), (4, 4390412), (8, 2195206), (13, 1350896), (16, 1097603), (26, 675448), (52, 337724), (104, 168862), (208, 84431)]