19895508

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:134

約数の個数: 144

約数和(自身を含む): 58968000

約数和(自身を除く): 39072492

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 29, 34, 36, 38, 51, 57, 58, 59, 68, 76, 87, 102, 114, 116, 118, 153, 171, 174, 177, 204, 228, 236, 261, 306, 323, 342, 348, 354, 493, 522, 531, 551, 612, 646, 684, 708, 969, 986, 1003, 1044, 1062, 1102, 1121, 1292, 1479, 1653, 1711, 1938, 1972, 2006, 2124, 2204, 2242, 2907, 2958, 3009, 3306, 3363, 3422, 3876, 4012, 4437, 4484, 4959, 5133, 5814, 5916, 6018, 6612, 6726, 6844, 8874, 9027, 9367, 9918, 10089, 10266, 11628, 12036, 13452, 15399, 17748, 18054, 18734, 19057, 19836, 20178, 20532, 28101, 29087, 30798, 32509, 36108, 37468, 38114, 40356, 56202, 57171, 58174, 61596, 65018, 76228, 84303, 87261, 97527, 112404, 114342, 116348, 130036, 168606, 171513, 174522, 195054, 228684, 261783, 292581, 337212, 343026, 349044, 390108, 523566, 552653, 585162, 686052, 1047132, 1105306, 1170324, 1657959, 2210612, 3315918, 4973877, 6631836, 9947754, 19895508]

約数ペア:

[(1, 19895508), (2, 9947754), (3, 6631836), (4, 4973877), (6, 3315918), (9, 2210612), (12, 1657959), (17, 1170324), (18, 1105306), (19, 1047132), (29, 686052), (34, 585162), (36, 552653), (38, 523566), (51, 390108), (57, 349044), (58, 343026), (59, 337212), (68, 292581), (76, 261783), (87, 228684), (102, 195054), (114, 174522), (116, 171513), (118, 168606), (153, 130036), (171, 116348), (174, 114342), (177, 112404), (204, 97527), (228, 87261), (236, 84303), (261, 76228), (306, 65018), (323, 61596), (342, 58174), (348, 57171), (354, 56202), (493, 40356), (522, 38114), (531, 37468), (551, 36108), (612, 32509), (646, 30798), (684, 29087), (708, 28101), (969, 20532), (986, 20178), (1003, 19836), (1044, 19057), (1062, 18734), (1102, 18054), (1121, 17748), (1292, 15399), (1479, 13452), (1653, 12036), (1711, 11628), (1938, 10266), (1972, 10089), (2006, 9918), (2124, 9367), (2204, 9027), (2242, 8874), (2907, 6844), (2958, 6726), (3009, 6612), (3306, 6018), (3363, 5916), (3422, 5814), (3876, 5133), (4012, 4959), (4437, 4484)]