19420016

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1433}}^1$

素因数の和:1470

約数の個数: 60

約数和(自身を含む): 47299056

約数和(自身を除く): 27879040

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 121, 154, 176, 242, 308, 484, 616, 847, 968, 1232, 1433, 1694, 1936, 2866, 3388, 5732, 6776, 10031, 11464, 13552, 15763, 20062, 22928, 31526, 40124, 63052, 80248, 110341, 126104, 160496, 173393, 220682, 252208, 346786, 441364, 693572, 882728, 1213751, 1387144, 1765456, 2427502, 2774288, 4855004, 9710008, 19420016]

約数ペア:

[(1, 19420016), (2, 9710008), (4, 4855004), (7, 2774288), (8, 2427502), (11, 1765456), (14, 1387144), (16, 1213751), (22, 882728), (28, 693572), (44, 441364), (56, 346786), (77, 252208), (88, 220682), (112, 173393), (121, 160496), (154, 126104), (176, 110341), (242, 80248), (308, 63052), (484, 40124), (616, 31526), (847, 22928), (968, 20062), (1232, 15763), (1433, 13552), (1694, 11464), (1936, 10031), (2866, 6776), (3388, 5732)]