19340728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{811}}^1$

素因数の和:1099

約数の個数: 32

約数和(自身を含む): 39755520

約数和(自身を除く): 20414792

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 271, 542, 811, 1084, 1622, 2168, 2981, 3244, 5962, 6488, 8921, 11924, 17842, 23848, 35684, 71368, 219781, 439562, 879124, 1758248, 2417591, 4835182, 9670364, 19340728]

約数ペア:

[(1, 19340728), (2, 9670364), (4, 4835182), (8, 2417591), (11, 1758248), (22, 879124), (44, 439562), (88, 219781), (271, 71368), (542, 35684), (811, 23848), (1084, 17842), (1622, 11924), (2168, 8921), (2981, 6488), (3244, 5962)]