18007672

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 34570800

約数和(自身を除く): 16563128

約数列:

[1, 2, 4, 8, 107, 109, 193, 214, 218, 386, 428, 436, 772, 856, 872, 1544, 11663, 20651, 21037, 23326, 41302, 42074, 46652, 82604, 84148, 93304, 165208, 168296, 2250959, 4501918, 9003836, 18007672]

約数ペア:

[(1, 18007672), (2, 9003836), (4, 4501918), (8, 2250959), (107, 168296), (109, 165208), (193, 93304), (214, 84148), (218, 82604), (386, 46652), (428, 42074), (436, 41302), (772, 23326), (856, 21037), (872, 20651), (1544, 11663)]