18663397310

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{421}}^1\times {\mathrm{27197}}^1$

素因数の和:27788

約数の個数: 32

約数和(自身を含む): 33881745312

約数和(自身を除く): 15218348002

約数列:

[1, 2, 5, 10, 163, 326, 421, 815, 842, 1630, 2105, 4210, 27197, 54394, 68623, 135985, 137246, 271970, 343115, 686230, 4433111, 8866222, 11449937, 22165555, 22899874, 44331110, 57249685, 114499370, 1866339731, 3732679462, 9331698655, 18663397310]

約数ペア:

[(1, 18663397310), (2, 9331698655), (5, 3732679462), (10, 1866339731), (163, 114499370), (326, 57249685), (421, 44331110), (815, 22899874), (842, 22165555), (1630, 11449937), (2105, 8866222), (4210, 4433111), (27197, 686230), (54394, 343115), (68623, 271970), (135985, 137246)]