19649772

素因数分解:

$2^2\times 3^2\times {\mathrm{545827}}^1$

素因数の和:545837

約数の個数: 18

約数和(自身を含む): 49670348

約数和(自身を除く): 30020576

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 545827, 1091654, 1637481, 2183308, 3274962, 4912443, 6549924, 9824886, 19649772]

約数ペア:

[(1, 19649772), (2, 9824886), (3, 6549924), (4, 4912443), (6, 3274962), (9, 2183308), (12, 1637481), (18, 1091654), (36, 545827)]