19453212

素因数分解:

$2^2\times 3^2\times {\mathrm{540367}}^1$

素因数の和:540377

約数の個数: 18

約数和(自身を含む): 49173488

約数和(自身を除く): 29720276

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 540367, 1080734, 1621101, 2161468, 3242202, 4863303, 6484404, 9726606, 19453212]

約数ペア:

[(1, 19453212), (2, 9726606), (3, 6484404), (4, 4863303), (6, 3242202), (9, 2161468), (12, 1621101), (18, 1080734), (36, 540367)]