1918598780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13704277}}^1$

素因数の和:13704293

約数の個数: 24

約数和(自身を含む): 4604637408

約数和(自身を除く): 2686038628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 13704277, 27408554, 54817108, 68521385, 95929939, 137042770, 191859878, 274085540, 383719756, 479649695, 959299390, 1918598780]

約数ペア:

[(1, 1918598780), (2, 959299390), (4, 479649695), (5, 383719756), (7, 274085540), (10, 191859878), (14, 137042770), (20, 95929939), (28, 68521385), (35, 54817108), (70, 27408554), (140, 13704277)]