18372387

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{367}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 28191744

約数和(自身を除く): 9819357

約数列:

[1, 3, 11, 33, 37, 41, 111, 123, 367, 407, 451, 1101, 1221, 1353, 1517, 4037, 4551, 12111, 13579, 15047, 16687, 40737, 45141, 50061, 149369, 165517, 448107, 496551, 556739, 1670217, 6124129, 18372387]

約数ペア:

[(1, 18372387), (3, 6124129), (11, 1670217), (33, 556739), (37, 496551), (41, 448107), (111, 165517), (123, 149369), (367, 50061), (407, 45141), (451, 40737), (1101, 16687), (1221, 15047), (1353, 13579), (1517, 12111), (4037, 4551)]