18970540

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{9209}}^1$

素因数の和:9321

約数の個数: 24

約数和(自身を含む): 40229280

約数和(自身を除く): 21258740

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 9209, 18418, 36836, 46045, 92090, 184180, 948527, 1897054, 3794108, 4742635, 9485270, 18970540]

約数ペア:

[(1, 18970540), (2, 9485270), (4, 4742635), (5, 3794108), (10, 1897054), (20, 948527), (103, 184180), (206, 92090), (412, 46045), (515, 36836), (1030, 18418), (2060, 9209)]