18714850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4861}}^1$

素因数の和:4891

約数の個数: 48

約数和(自身を含む): 43407936

約数和(自身を除く): 24693086

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 154, 175, 275, 350, 385, 550, 770, 1925, 3850, 4861, 9722, 24305, 34027, 48610, 53471, 68054, 106942, 121525, 170135, 243050, 267355, 340270, 374297, 534710, 748594, 850675, 1336775, 1701350, 1871485, 2673550, 3742970, 9357425, 18714850]

約数ペア:

[(1, 18714850), (2, 9357425), (5, 3742970), (7, 2673550), (10, 1871485), (11, 1701350), (14, 1336775), (22, 850675), (25, 748594), (35, 534710), (50, 374297), (55, 340270), (70, 267355), (77, 243050), (110, 170135), (154, 121525), (175, 106942), (275, 68054), (350, 53471), (385, 48610), (550, 34027), (770, 24305), (1925, 9722), (3850, 4861)]