18790202

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:143

約数の個数: 48

約数和(自身を含む): 33156000

約数和(自身を除く): 14365798

約数列:

[1, 2, 17, 19, 29, 34, 38, 58, 59, 118, 289, 323, 493, 551, 578, 646, 986, 1003, 1102, 1121, 1711, 2006, 2242, 3422, 5491, 8381, 9367, 10982, 16762, 17051, 18734, 19057, 29087, 32509, 34102, 38114, 58174, 65018, 159239, 318478, 323969, 494479, 552653, 647938, 988958, 1105306, 9395101, 18790202]

約数ペア:

[(1, 18790202), (2, 9395101), (17, 1105306), (19, 988958), (29, 647938), (34, 552653), (38, 494479), (58, 323969), (59, 318478), (118, 159239), (289, 65018), (323, 58174), (493, 38114), (551, 34102), (578, 32509), (646, 29087), (986, 19057), (1003, 18734), (1102, 17051), (1121, 16762), (1711, 10982), (2006, 9367), (2242, 8381), (3422, 5491)]