18339715

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{433}}^1$

素因数の和:678

約数の個数: 16

約数和(自身を含む): 22686048

約数和(自身を除く): 4346333

約数列:

[1, 5, 43, 197, 215, 433, 985, 2165, 8471, 18619, 42355, 85301, 93095, 426505, 3667943, 18339715]

約数ペア:

[(1, 18339715), (5, 3667943), (43, 426505), (197, 93095), (215, 85301), (433, 42355), (985, 18619), (2165, 8471)]