19800564

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2203}}^1$

素因数の和:2324

約数の個数: 48

約数和(自身を含む): 53319168

約数和(自身を除く): 33518604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 107, 214, 321, 428, 642, 749, 1284, 1498, 2203, 2247, 2996, 4406, 4494, 6609, 8812, 8988, 13218, 15421, 26436, 30842, 46263, 61684, 92526, 185052, 235721, 471442, 707163, 942884, 1414326, 1650047, 2828652, 3300094, 4950141, 6600188, 9900282, 19800564]

約数ペア:

[(1, 19800564), (2, 9900282), (3, 6600188), (4, 4950141), (6, 3300094), (7, 2828652), (12, 1650047), (14, 1414326), (21, 942884), (28, 707163), (42, 471442), (84, 235721), (107, 185052), (214, 92526), (321, 61684), (428, 46263), (642, 30842), (749, 26436), (1284, 15421), (1498, 13218), (2203, 8988), (2247, 8812), (2996, 6609), (4406, 4494)]