18729694

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{757}}^1$

素因数の和:987

約数の個数: 16

約数和(自身を含む): 28652400

約数和(自身を除く): 9922706

約数列:

[1, 2, 89, 139, 178, 278, 757, 1514, 12371, 24742, 67373, 105223, 134746, 210446, 9364847, 18729694]

約数ペア:

[(1, 18729694), (2, 9364847), (89, 210446), (139, 134746), (178, 105223), (278, 67373), (757, 24742), (1514, 12371)]