18790956

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{439}}^1$

素因数の和:519

約数の個数: 72

約数和(自身を含む): 50450400

約数和(自身を除く): 31659444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 41, 58, 82, 87, 116, 123, 164, 174, 246, 261, 348, 369, 439, 492, 522, 738, 878, 1044, 1189, 1317, 1476, 1756, 2378, 2634, 3567, 3951, 4756, 5268, 7134, 7902, 10701, 12731, 14268, 15804, 17999, 21402, 25462, 35998, 38193, 42804, 50924, 53997, 71996, 76386, 107994, 114579, 152772, 161991, 215988, 229158, 323982, 458316, 521971, 647964, 1043942, 1565913, 2087884, 3131826, 4697739, 6263652, 9395478, 18790956]

約数ペア:

[(1, 18790956), (2, 9395478), (3, 6263652), (4, 4697739), (6, 3131826), (9, 2087884), (12, 1565913), (18, 1043942), (29, 647964), (36, 521971), (41, 458316), (58, 323982), (82, 229158), (87, 215988), (116, 161991), (123, 152772), (164, 114579), (174, 107994), (246, 76386), (261, 71996), (348, 53997), (369, 50924), (439, 42804), (492, 38193), (522, 35998), (738, 25462), (878, 21402), (1044, 17999), (1189, 15804), (1317, 14268), (1476, 12731), (1756, 10701), (2378, 7902), (2634, 7134), (3567, 5268), (3951, 4756)]