18687026

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{1103}}^1$

素因数の和:1345

約数の個数: 16

約数和(自身を含む): 28854144

約数和(自身を除く): 10167118

約数列:

[1, 2, 43, 86, 197, 394, 1103, 2206, 8471, 16942, 47429, 94858, 217291, 434582, 9343513, 18687026]

約数ペア:

[(1, 18687026), (2, 9343513), (43, 434582), (86, 217291), (197, 94858), (394, 47429), (1103, 16942), (2206, 8471)]