18887231

素因数分解:

${\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:382

約数の個数: 16

約数和(自身を含む): 21143808

約数和(自身を除く): 2256577

約数列:

[1, 11, 83, 137, 151, 913, 1507, 1661, 11371, 12533, 20687, 125081, 137863, 227557, 1717021, 18887231]

約数ペア:

[(1, 18887231), (11, 1717021), (83, 227557), (137, 137863), (151, 125081), (913, 20687), (1507, 12533), (1661, 11371)]