19193860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2917}}^1$

素因数の和:2980

約数の個数: 48

約数和(自身を含む): 47061504

約数和(自身を除く): 27867644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 2917, 3290, 5834, 6580, 11668, 14585, 20419, 29170, 40838, 58340, 81676, 102095, 137099, 204190, 274198, 408380, 548396, 685495, 959693, 1370990, 1919386, 2741980, 3838772, 4798465, 9596930, 19193860]

約数ペア:

[(1, 19193860), (2, 9596930), (4, 4798465), (5, 3838772), (7, 2741980), (10, 1919386), (14, 1370990), (20, 959693), (28, 685495), (35, 548396), (47, 408380), (70, 274198), (94, 204190), (140, 137099), (188, 102095), (235, 81676), (329, 58340), (470, 40838), (658, 29170), (940, 20419), (1316, 14585), (1645, 11668), (2917, 6580), (3290, 5834)]