18984845

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{8419}}^1$

素因数の和:8476

約数の個数: 16

約数和(自身を含む): 25462080

約数和(自身を除く): 6477235

約数列:

[1, 5, 11, 41, 55, 205, 451, 2255, 8419, 42095, 92609, 345179, 463045, 1725895, 3796969, 18984845]

約数ペア:

[(1, 18984845), (5, 3796969), (11, 1725895), (41, 463045), (55, 345179), (205, 92609), (451, 42095), (2255, 8419)]