19670728

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2903}}^1$

素因数の和:2938

約数の個数: 48

約数和(自身を含む): 46347840

約数和(自身を除く): 26677112

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 121, 154, 242, 308, 484, 616, 847, 968, 1694, 2903, 3388, 5806, 6776, 11612, 20321, 23224, 31933, 40642, 63866, 81284, 127732, 162568, 223531, 255464, 351263, 447062, 702526, 894124, 1405052, 1788248, 2458841, 2810104, 4917682, 9835364, 19670728]

約数ペア:

[(1, 19670728), (2, 9835364), (4, 4917682), (7, 2810104), (8, 2458841), (11, 1788248), (14, 1405052), (22, 894124), (28, 702526), (44, 447062), (56, 351263), (77, 255464), (88, 223531), (121, 162568), (154, 127732), (242, 81284), (308, 63866), (484, 40642), (616, 31933), (847, 23224), (968, 20321), (1694, 11612), (2903, 6776), (3388, 5806)]