18748060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{479}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 41932800

約数和(自身を除く): 23184740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 103, 190, 206, 380, 412, 479, 515, 958, 1030, 1916, 1957, 2060, 2395, 3914, 4790, 7828, 9101, 9580, 9785, 18202, 19570, 36404, 39140, 45505, 49337, 91010, 98674, 182020, 197348, 246685, 493370, 937403, 986740, 1874806, 3749612, 4687015, 9374030, 18748060]

約数ペア:

[(1, 18748060), (2, 9374030), (4, 4687015), (5, 3749612), (10, 1874806), (19, 986740), (20, 937403), (38, 493370), (76, 246685), (95, 197348), (103, 182020), (190, 98674), (206, 91010), (380, 49337), (412, 45505), (479, 39140), (515, 36404), (958, 19570), (1030, 18202), (1916, 9785), (1957, 9580), (2060, 9101), (2395, 7828), (3914, 4790)]