19722670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{929}}^1$

素因数の和:1140

約数の個数: 32

約数和(自身を含む): 38970720

約数和(自身を除く): 19248050

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 193, 386, 929, 965, 1858, 1930, 2123, 4246, 4645, 9290, 10219, 10615, 20438, 21230, 51095, 102190, 179297, 358594, 896485, 1792970, 1972267, 3944534, 9861335, 19722670]

約数ペア:

[(1, 19722670), (2, 9861335), (5, 3944534), (10, 1972267), (11, 1792970), (22, 896485), (55, 358594), (110, 179297), (193, 102190), (386, 51095), (929, 21230), (965, 20438), (1858, 10615), (1930, 10219), (2123, 9290), (4246, 4645)]