18459490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2963}}^1$

素因数の和:3066

約数の個数: 32

約数和(自身を含む): 38413440

約数和(自身を除く): 19953950

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 890, 1246, 2963, 3115, 5926, 6230, 14815, 20741, 29630, 41482, 103705, 207410, 263707, 527414, 1318535, 1845949, 2637070, 3691898, 9229745, 18459490]

約数ペア:

[(1, 18459490), (2, 9229745), (5, 3691898), (7, 2637070), (10, 1845949), (14, 1318535), (35, 527414), (70, 263707), (89, 207410), (178, 103705), (445, 41482), (623, 29630), (890, 20741), (1246, 14815), (2963, 6230), (3115, 5926)]