18790222

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{4937}}^1$

素因数の和:5123

約数の個数: 16

約数和(自身を含む): 30931632

約数和(自身を除く): 12141410

約数列:

[1, 2, 11, 22, 173, 346, 1903, 3806, 4937, 9874, 54307, 108614, 854101, 1708202, 9395111, 18790222]

約数ペア:

[(1, 18790222), (2, 9395111), (11, 1708202), (22, 854101), (173, 108614), (346, 54307), (1903, 9874), (3806, 4937)]