19897026

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{45427}}^1$

素因数の和:45505

約数の個数: 16

約数和(自身を含む): 40340064

約数和(自身を除く): 20443038

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 45427, 90854, 136281, 272562, 3316171, 6632342, 9948513, 19897026]

約数ペア:

[(1, 19897026), (2, 9948513), (3, 6632342), (6, 3316171), (73, 272562), (146, 136281), (219, 90854), (438, 45427)]