18388456

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1399}}^1$

素因数の和:1489

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 17899544

約数列:

[1, 2, 4, 8, 31, 53, 62, 106, 124, 212, 248, 424, 1399, 1643, 2798, 3286, 5596, 6572, 11192, 13144, 43369, 74147, 86738, 148294, 173476, 296588, 346952, 593176, 2298557, 4597114, 9194228, 18388456]

約数ペア:

[(1, 18388456), (2, 9194228), (4, 4597114), (8, 2298557), (31, 593176), (53, 346952), (62, 296588), (106, 173476), (124, 148294), (212, 86738), (248, 74147), (424, 43369), (1399, 13144), (1643, 11192), (2798, 6572), (3286, 5596)]