19356040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43991}}^1$

素因数の和:44013

約数の個数: 32

約数和(自身を含む): 47511360

約数和(自身を除く): 28155320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 43991, 87982, 175964, 219955, 351928, 439910, 483901, 879820, 967802, 1759640, 1935604, 2419505, 3871208, 4839010, 9678020, 19356040]

約数ペア:

[(1, 19356040), (2, 9678020), (4, 4839010), (5, 3871208), (8, 2419505), (10, 1935604), (11, 1759640), (20, 967802), (22, 879820), (40, 483901), (44, 439910), (55, 351928), (88, 219955), (110, 175964), (220, 87982), (440, 43991)]