16721748

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:342

約数の個数: 96

約数和(自身を含む): 47376000

約数和(自身を除く): 30654252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 29, 36, 38, 54, 57, 58, 76, 87, 108, 114, 116, 171, 174, 228, 261, 281, 342, 348, 513, 522, 551, 562, 684, 783, 843, 1026, 1044, 1102, 1124, 1566, 1653, 1686, 2052, 2204, 2529, 3132, 3306, 3372, 4959, 5058, 5339, 6612, 7587, 8149, 9918, 10116, 10678, 14877, 15174, 16017, 16298, 19836, 21356, 24447, 29754, 30348, 32034, 32596, 48051, 48894, 59508, 64068, 73341, 96102, 97788, 144153, 146682, 154831, 192204, 220023, 288306, 293364, 309662, 440046, 464493, 576612, 619324, 880092, 928986, 1393479, 1857972, 2786958, 4180437, 5573916, 8360874, 16721748]

約数ペア:

[(1, 16721748), (2, 8360874), (3, 5573916), (4, 4180437), (6, 2786958), (9, 1857972), (12, 1393479), (18, 928986), (19, 880092), (27, 619324), (29, 576612), (36, 464493), (38, 440046), (54, 309662), (57, 293364), (58, 288306), (76, 220023), (87, 192204), (108, 154831), (114, 146682), (116, 144153), (171, 97788), (174, 96102), (228, 73341), (261, 64068), (281, 59508), (342, 48894), (348, 48051), (513, 32596), (522, 32034), (551, 30348), (562, 29754), (684, 24447), (783, 21356), (843, 19836), (1026, 16298), (1044, 16017), (1102, 15174), (1124, 14877), (1566, 10678), (1653, 10116), (1686, 9918), (2052, 8149), (2204, 7587), (2529, 6612), (3132, 5339), (3306, 5058), (3372, 4959)]