18901085

素因数分解:

$5^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{827}}^1$

素因数の和:1492

約数の個数: 16

約数和(自身を含む): 25992576

約数和(自身を除く): 7091491

約数列:

[1, 5, 7, 35, 653, 827, 3265, 4135, 4571, 5789, 22855, 28945, 540031, 2700155, 3780217, 18901085]

約数ペア:

[(1, 18901085), (5, 3780217), (7, 2700155), (35, 540031), (653, 28945), (827, 22855), (3265, 5789), (4135, 4571)]