18622780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{84649}}^1$

素因数の和:84669

約数の個数: 24

約数和(自身を含む): 42663600

約数和(自身を除く): 24040820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 84649, 169298, 338596, 423245, 846490, 931139, 1692980, 1862278, 3724556, 4655695, 9311390, 18622780]

約数ペア:

[(1, 18622780), (2, 9311390), (4, 4655695), (5, 3724556), (10, 1862278), (11, 1692980), (20, 931139), (22, 846490), (44, 423245), (55, 338596), (110, 169298), (220, 84649)]