18420906

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{4099}}^1$

素因数の和:4218

約数の個数: 32

約数和(自身を含む): 42508800

約数和(自身を除く): 24087894

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 107, 214, 321, 642, 749, 1498, 2247, 4099, 4494, 8198, 12297, 24594, 28693, 57386, 86079, 172158, 438593, 877186, 1315779, 2631558, 3070151, 6140302, 9210453, 18420906]

約数ペア:

[(1, 18420906), (2, 9210453), (3, 6140302), (6, 3070151), (7, 2631558), (14, 1315779), (21, 877186), (42, 438593), (107, 172158), (214, 86079), (321, 57386), (642, 28693), (749, 24594), (1498, 12297), (2247, 8198), (4099, 4494)]