19492821

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{58537}}^1$

素因数の和:58580

約数の個数: 12

約数和(自身を含む): 28917772

約数和(自身を除く): 9424951

約数列:

[1, 3, 9, 37, 111, 333, 58537, 175611, 526833, 2165869, 6497607, 19492821]

約数ペア:

[(1, 19492821), (3, 6497607), (9, 2165869), (37, 526833), (111, 175611), (333, 58537)]