18789466

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1\times {\mathrm{463}}^1$

素因数の和:765

約数の個数: 16

約数和(自身を含む): 28664064

約数和(自身を除く): 9874598

約数列:

[1, 2, 103, 197, 206, 394, 463, 926, 20291, 40582, 47689, 91211, 95378, 182422, 9394733, 18789466]

約数ペア:

[(1, 18789466), (2, 9394733), (103, 182422), (197, 95378), (206, 91211), (394, 47689), (463, 40582), (926, 20291)]