18867370

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{4259}}^1$

素因数の和:4709

約数の個数: 16

約数和(自身を含む): 34045920

約数和(自身を除く): 15178550

約数列:

[1, 2, 5, 10, 443, 886, 2215, 4259, 4430, 8518, 21295, 42590, 1886737, 3773474, 9433685, 18867370]

約数ペア:

[(1, 18867370), (2, 9433685), (5, 3773474), (10, 1886737), (443, 42590), (886, 21295), (2215, 8518), (4259, 4430)]