19418530

素因数分解:

$2^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{5501}}^1$

素因数の和:5861

約数の個数: 16

約数和(自身を含む): 35058744

約数和(自身を除く): 15640214

約数列:

[1, 2, 5, 10, 353, 706, 1765, 3530, 5501, 11002, 27505, 55010, 1941853, 3883706, 9709265, 19418530]

約数ペア:

[(1, 19418530), (2, 9709265), (5, 3883706), (10, 1941853), (353, 55010), (706, 27505), (1765, 11002), (3530, 5501)]