18240556

素因数分解:

$2^2\times {\mathrm{37}}^2\times {\mathrm{3331}}^1$

素因数の和:3409

約数の個数: 18

約数和(自身を含む): 32816868

約数和(自身を除く): 14576312

約数列:

[1, 2, 4, 37, 74, 148, 1369, 2738, 3331, 5476, 6662, 13324, 123247, 246494, 492988, 4560139, 9120278, 18240556]

約数ペア:

[(1, 18240556), (2, 9120278), (4, 4560139), (37, 492988), (74, 246494), (148, 123247), (1369, 13324), (2738, 6662), (3331, 5476)]