18766496

素因数分解:

$2^5\times 7^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:637

約数の個数: 48

約数和(自身を含む): 42537600

約数和(自身を除く): 23771104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 199, 224, 398, 421, 796, 842, 1393, 1592, 1684, 2786, 2947, 3184, 3368, 5572, 5894, 6368, 6736, 11144, 11788, 13472, 22288, 23576, 44576, 47152, 83779, 94304, 167558, 335116, 586453, 670232, 1172906, 1340464, 2345812, 2680928, 4691624, 9383248, 18766496]

約数ペア:

[(1, 18766496), (2, 9383248), (4, 4691624), (7, 2680928), (8, 2345812), (14, 1340464), (16, 1172906), (28, 670232), (32, 586453), (56, 335116), (112, 167558), (199, 94304), (224, 83779), (398, 47152), (421, 44576), (796, 23576), (842, 22288), (1393, 13472), (1592, 11788), (1684, 11144), (2786, 6736), (2947, 6368), (3184, 5894), (3368, 5572)]