2018978845

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{1949}}^1\times {\mathrm{15937}}^1$

素因数の和:17904

約数の個数: 16

約数和(自身を含む): 2610644400

約数和(自身を除く): 591665555

約数列:

[1, 5, 13, 65, 1949, 9745, 15937, 25337, 79685, 126685, 207181, 1035905, 31061213, 155306065, 403795769, 2018978845]

約数ペア:

[(1, 2018978845), (5, 403795769), (13, 155306065), (65, 31061213), (1949, 1035905), (9745, 207181), (15937, 126685), (25337, 79685)]