18530540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{132361}}^1$

素因数の和:132377

約数の個数: 24

約数和(自身を含む): 44473632

約数和(自身を除く): 25943092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 132361, 264722, 529444, 661805, 926527, 1323610, 1853054, 2647220, 3706108, 4632635, 9265270, 18530540]

約数ペア:

[(1, 18530540), (2, 9265270), (4, 4632635), (5, 3706108), (7, 2647220), (10, 1853054), (14, 1323610), (20, 926527), (28, 661805), (35, 529444), (70, 264722), (140, 132361)]