18522020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{84191}}^1$

素因数の和:84211

約数の個数: 24

約数和(自身を含む): 42432768

約数和(自身を除く): 23910748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 84191, 168382, 336764, 420955, 841910, 926101, 1683820, 1852202, 3704404, 4630505, 9261010, 18522020]

約数ペア:

[(1, 18522020), (2, 9261010), (4, 4630505), (5, 3704404), (10, 1852202), (11, 1683820), (20, 926101), (22, 841910), (44, 420955), (55, 336764), (110, 168382), (220, 84191)]