18140508

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{13619}}^1$

素因数の和:13666

約数の個数: 36

約数和(自身を含む): 47097960

約数和(自身を除く): 28957452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 1332, 13619, 27238, 40857, 54476, 81714, 122571, 163428, 245142, 490284, 503903, 1007806, 1511709, 2015612, 3023418, 4535127, 6046836, 9070254, 18140508]

約数ペア:

[(1, 18140508), (2, 9070254), (3, 6046836), (4, 4535127), (6, 3023418), (9, 2015612), (12, 1511709), (18, 1007806), (36, 503903), (37, 490284), (74, 245142), (111, 163428), (148, 122571), (222, 81714), (333, 54476), (444, 40857), (666, 27238), (1332, 13619)]