19118260220

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{5864497}}^1$

素因数の和:5864669

約数の個数: 24

約数和(自身を含む): 40394662224

約数和(自身を除く): 21276402004

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 5864497, 11728994, 23457988, 29322485, 58644970, 117289940, 955913011, 1911826022, 3823652044, 4779565055, 9559130110, 19118260220]

約数ペア:

[(1, 19118260220), (2, 9559130110), (4, 4779565055), (5, 3823652044), (10, 1911826022), (20, 955913011), (163, 117289940), (326, 58644970), (652, 29322485), (815, 23457988), (1630, 11728994), (3260, 5864497)]