18196836

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{4421}}^1$

素因数の和:4449

約数の個数: 48

約数和(自身を含む): 49526400

約数和(自身を除く): 31329564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 343, 588, 686, 1029, 1372, 2058, 4116, 4421, 8842, 13263, 17684, 26526, 30947, 53052, 61894, 92841, 123788, 185682, 216629, 371364, 433258, 649887, 866516, 1299774, 1516403, 2599548, 3032806, 4549209, 6065612, 9098418, 18196836]

約数ペア:

[(1, 18196836), (2, 9098418), (3, 6065612), (4, 4549209), (6, 3032806), (7, 2599548), (12, 1516403), (14, 1299774), (21, 866516), (28, 649887), (42, 433258), (49, 371364), (84, 216629), (98, 185682), (147, 123788), (196, 92841), (294, 61894), (343, 53052), (588, 30947), (686, 26526), (1029, 17684), (1372, 13263), (2058, 8842), (4116, 4421)]