16619868

素因数分解:

$2^2\times 3^2\times {\mathrm{509}}^1\times {\mathrm{907}}^1$

素因数の和:1426

約数の個数: 36

約数和(自身を含む): 42140280

約数和(自身を除く): 25520412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 509, 907, 1018, 1527, 1814, 2036, 2721, 3054, 3628, 4581, 5442, 6108, 8163, 9162, 10884, 16326, 18324, 32652, 461663, 923326, 1384989, 1846652, 2769978, 4154967, 5539956, 8309934, 16619868]

約数ペア:

[(1, 16619868), (2, 8309934), (3, 5539956), (4, 4154967), (6, 2769978), (9, 1846652), (12, 1384989), (18, 923326), (36, 461663), (509, 32652), (907, 18324), (1018, 16326), (1527, 10884), (1814, 9162), (2036, 8163), (2721, 6108), (3054, 5442), (3628, 4581)]