19964450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{36299}}^1$

素因数の和:36322

約数の個数: 24

約数和(自身を含む): 40510800

約数和(自身を除く): 20546350

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 36299, 72598, 181495, 362990, 399289, 798578, 907475, 1814950, 1996445, 3992890, 9982225, 19964450]

約数ペア:

[(1, 19964450), (2, 9982225), (5, 3992890), (10, 1996445), (11, 1814950), (22, 907475), (25, 798578), (50, 399289), (55, 362990), (110, 181495), (275, 72598), (550, 36299)]