19806666

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:299

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 26641974

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 51, 66, 102, 127, 139, 187, 254, 278, 374, 381, 417, 561, 762, 834, 1122, 1397, 1529, 2159, 2363, 2794, 3058, 4191, 4318, 4587, 4726, 6477, 7089, 8382, 9174, 12954, 14178, 17653, 23749, 25993, 35306, 47498, 51986, 52959, 71247, 77979, 105918, 142494, 155958, 194183, 300101, 388366, 582549, 600202, 900303, 1165098, 1800606, 3301111, 6602222, 9903333, 19806666]

約数ペア:

[(1, 19806666), (2, 9903333), (3, 6602222), (6, 3301111), (11, 1800606), (17, 1165098), (22, 900303), (33, 600202), (34, 582549), (51, 388366), (66, 300101), (102, 194183), (127, 155958), (139, 142494), (187, 105918), (254, 77979), (278, 71247), (374, 52959), (381, 51986), (417, 47498), (561, 35306), (762, 25993), (834, 23749), (1122, 17653), (1397, 14178), (1529, 12954), (2159, 9174), (2363, 8382), (2794, 7089), (3058, 6477), (4191, 4726), (4318, 4587)]