19980852

素因数分解:

$2^2\times 3^1\times {\mathrm{1665071}}^1$

素因数の和:1665078

約数の個数: 12

約数和(自身を含む): 46622016

約数和(自身を除く): 26641164

約数列:

[1, 2, 3, 4, 6, 12, 1665071, 3330142, 4995213, 6660284, 9990426, 19980852]

約数ペア:

[(1, 19980852), (2, 9990426), (3, 6660284), (4, 4995213), (6, 3330142), (12, 1665071)]