18554668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{421697}}^1$

素因数の和:421712

約数の個数: 12

約数和(自身を含む): 35422632

約数和(自身を除く): 16867964

約数列:

[1, 2, 4, 11, 22, 44, 421697, 843394, 1686788, 4638667, 9277334, 18554668]

約数ペア:

[(1, 18554668), (2, 9277334), (4, 4638667), (11, 1686788), (22, 843394), (44, 421697)]