18664548

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{222197}}^1$

素因数の和:222211

約数の個数: 24

約数和(自身を含む): 49772352

約数和(自身を除く): 31107804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 222197, 444394, 666591, 888788, 1333182, 1555379, 2666364, 3110758, 4666137, 6221516, 9332274, 18664548]

約数ペア:

[(1, 18664548), (2, 9332274), (3, 6221516), (4, 4666137), (6, 3110758), (7, 2666364), (12, 1555379), (14, 1333182), (21, 888788), (28, 666591), (42, 444394), (84, 222197)]