18973472

素因数分解:

$2^5\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1193}}^1$

素因数の和:1281

約数の個数: 48

約数和(自身を含む): 43327872

約数和(自身を除く): 24354400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 71, 112, 142, 224, 284, 497, 568, 994, 1136, 1193, 1988, 2272, 2386, 3976, 4772, 7952, 8351, 9544, 15904, 16702, 19088, 33404, 38176, 66808, 84703, 133616, 169406, 267232, 338812, 592921, 677624, 1185842, 1355248, 2371684, 2710496, 4743368, 9486736, 18973472]

約数ペア:

[(1, 18973472), (2, 9486736), (4, 4743368), (7, 2710496), (8, 2371684), (14, 1355248), (16, 1185842), (28, 677624), (32, 592921), (56, 338812), (71, 267232), (112, 169406), (142, 133616), (224, 84703), (284, 66808), (497, 38176), (568, 33404), (994, 19088), (1136, 16702), (1193, 15904), (1988, 9544), (2272, 8351), (2386, 7952), (3976, 4772)]