1919172020

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{306577}}^1$

素因数の和:306899

約数の個数: 24

約数和(自身を含む): 4043150664

約数和(自身を除く): 2123978644

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 6260, 306577, 613154, 1226308, 1532885, 3065770, 6131540, 95958601, 191917202, 383834404, 479793005, 959586010, 1919172020]

約数ペア:

[(1, 1919172020), (2, 959586010), (4, 479793005), (5, 383834404), (10, 191917202), (20, 95958601), (313, 6131540), (626, 3065770), (1252, 1532885), (1565, 1226308), (3130, 613154), (6260, 306577)]