221542908

素因数分解:

$2^2\times 3^1\times {\mathrm{18461909}}^1$

素因数の和:18461916

約数の個数: 12

約数和(自身を含む): 516933480

約数和(自身を除く): 295390572

約数列:

[1, 2, 3, 4, 6, 12, 18461909, 36923818, 55385727, 73847636, 110771454, 221542908]

約数ペア:

[(1, 221542908), (2, 110771454), (3, 73847636), (4, 55385727), (6, 36923818), (12, 18461909)]