19948752

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:341

約数の個数: 120

約数和(自身を含む): 61368840

約数和(自身を除く): 41420088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 29, 34, 36, 48, 51, 58, 68, 72, 87, 102, 116, 136, 144, 153, 174, 204, 232, 261, 272, 281, 306, 348, 408, 464, 493, 522, 562, 612, 696, 816, 843, 986, 1044, 1124, 1224, 1392, 1479, 1686, 1972, 2088, 2248, 2448, 2529, 2958, 3372, 3944, 4176, 4437, 4496, 4777, 5058, 5916, 6744, 7888, 8149, 8874, 9554, 10116, 11832, 13488, 14331, 16298, 17748, 19108, 20232, 23664, 24447, 28662, 32596, 35496, 38216, 40464, 42993, 48894, 57324, 65192, 70992, 73341, 76432, 85986, 97788, 114648, 130384, 138533, 146682, 171972, 195576, 229296, 277066, 293364, 343944, 391152, 415599, 554132, 586728, 687888, 831198, 1108264, 1173456, 1246797, 1662396, 2216528, 2493594, 3324792, 4987188, 6649584, 9974376, 19948752]

約数ペア:

[(1, 19948752), (2, 9974376), (3, 6649584), (4, 4987188), (6, 3324792), (8, 2493594), (9, 2216528), (12, 1662396), (16, 1246797), (17, 1173456), (18, 1108264), (24, 831198), (29, 687888), (34, 586728), (36, 554132), (48, 415599), (51, 391152), (58, 343944), (68, 293364), (72, 277066), (87, 229296), (102, 195576), (116, 171972), (136, 146682), (144, 138533), (153, 130384), (174, 114648), (204, 97788), (232, 85986), (261, 76432), (272, 73341), (281, 70992), (306, 65192), (348, 57324), (408, 48894), (464, 42993), (493, 40464), (522, 38216), (562, 35496), (612, 32596), (696, 28662), (816, 24447), (843, 23664), (986, 20232), (1044, 19108), (1124, 17748), (1224, 16298), (1392, 14331), (1479, 13488), (1686, 11832), (1972, 10116), (2088, 9554), (2248, 8874), (2448, 8149), (2529, 7888), (2958, 6744), (3372, 5916), (3944, 5058), (4176, 4777), (4437, 4496)]