18344156

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 36542016

約数和(自身を除く): 18197860

約数列:

[1, 2, 4, 17, 23, 34, 37, 46, 68, 74, 92, 148, 317, 391, 629, 634, 782, 851, 1258, 1268, 1564, 1702, 2516, 3404, 5389, 7291, 10778, 11729, 14467, 14582, 21556, 23458, 28934, 29164, 46916, 57868, 123947, 199393, 247894, 269767, 398786, 495788, 539534, 797572, 1079068, 4586039, 9172078, 18344156]

約数ペア:

[(1, 18344156), (2, 9172078), (4, 4586039), (17, 1079068), (23, 797572), (34, 539534), (37, 495788), (46, 398786), (68, 269767), (74, 247894), (92, 199393), (148, 123947), (317, 57868), (391, 46916), (629, 29164), (634, 28934), (782, 23458), (851, 21556), (1258, 14582), (1268, 14467), (1564, 11729), (1702, 10778), (2516, 7291), (3404, 5389)]