18736540

素因数分解:

$2^2\times 5^1\times {\mathrm{936827}}^1$

素因数の和:936836

約数の個数: 12

約数和(自身を含む): 39346776

約数和(自身を除く): 20610236

約数列:

[1, 2, 4, 5, 10, 20, 936827, 1873654, 3747308, 4684135, 9368270, 18736540]

約数ペア:

[(1, 18736540), (2, 9368270), (4, 4684135), (5, 3747308), (10, 1873654), (20, 936827)]