18865812

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2099}}^1$

素因数の和:2220

約数の個数: 48

約数和(自身を含む): 50803200

約数和(自身を除く): 31937388

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 107, 214, 321, 428, 642, 749, 1284, 1498, 2099, 2247, 2996, 4198, 4494, 6297, 8396, 8988, 12594, 14693, 25188, 29386, 44079, 58772, 88158, 176316, 224593, 449186, 673779, 898372, 1347558, 1572151, 2695116, 3144302, 4716453, 6288604, 9432906, 18865812]

約数ペア:

[(1, 18865812), (2, 9432906), (3, 6288604), (4, 4716453), (6, 3144302), (7, 2695116), (12, 1572151), (14, 1347558), (21, 898372), (28, 673779), (42, 449186), (84, 224593), (107, 176316), (214, 88158), (321, 58772), (428, 44079), (642, 29386), (749, 25188), (1284, 14693), (1498, 12594), (2099, 8988), (2247, 8396), (2996, 6297), (4198, 4494)]