18940074

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{337}}^1$

素因数の和:407

約数の個数: 64

約数和(自身を含む): 43804800

約数和(自身を除く): 24864726

約数列:

[1, 2, 3, 6, 17, 19, 29, 34, 38, 51, 57, 58, 87, 102, 114, 174, 323, 337, 493, 551, 646, 674, 969, 986, 1011, 1102, 1479, 1653, 1938, 2022, 2958, 3306, 5729, 6403, 9367, 9773, 11458, 12806, 17187, 18734, 19209, 19546, 28101, 29319, 34374, 38418, 56202, 58638, 108851, 166141, 185687, 217702, 326553, 332282, 371374, 498423, 557061, 653106, 996846, 1114122, 3156679, 6313358, 9470037, 18940074]

約数ペア:

[(1, 18940074), (2, 9470037), (3, 6313358), (6, 3156679), (17, 1114122), (19, 996846), (29, 653106), (34, 557061), (38, 498423), (51, 371374), (57, 332282), (58, 326553), (87, 217702), (102, 185687), (114, 166141), (174, 108851), (323, 58638), (337, 56202), (493, 38418), (551, 34374), (646, 29319), (674, 28101), (969, 19546), (986, 19209), (1011, 18734), (1102, 17187), (1479, 12806), (1653, 11458), (1938, 9773), (2022, 9367), (2958, 6403), (3306, 5729)]