19979136

素因数分解:

$2^7\times 3^4\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:114

約数の個数: 160

約数和(自身を含む): 62203680

約数和(自身を除く): 42224544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 41, 47, 48, 54, 64, 72, 81, 82, 94, 96, 108, 123, 128, 141, 144, 162, 164, 188, 192, 216, 246, 282, 288, 324, 328, 369, 376, 384, 423, 432, 492, 564, 576, 648, 656, 738, 752, 846, 864, 984, 1107, 1128, 1152, 1269, 1296, 1312, 1476, 1504, 1692, 1728, 1927, 1968, 2214, 2256, 2538, 2592, 2624, 2952, 3008, 3321, 3384, 3456, 3807, 3854, 3936, 4428, 4512, 5076, 5184, 5248, 5781, 5904, 6016, 6642, 6768, 7614, 7708, 7872, 8856, 9024, 10152, 10368, 11562, 11808, 13284, 13536, 15228, 15416, 15744, 17343, 17712, 18048, 20304, 23124, 23616, 26568, 27072, 30456, 30832, 34686, 35424, 40608, 46248, 47232, 52029, 53136, 54144, 60912, 61664, 69372, 70848, 81216, 92496, 104058, 106272, 121824, 123328, 138744, 141696, 156087, 162432, 184992, 208116, 212544, 243648, 246656, 277488, 312174, 369984, 416232, 425088, 487296, 554976, 624348, 739968, 832464, 1109952, 1248696, 1664928, 2219904, 2497392, 3329856, 4994784, 6659712, 9989568, 19979136]

約数ペア:

[(1, 19979136), (2, 9989568), (3, 6659712), (4, 4994784), (6, 3329856), (8, 2497392), (9, 2219904), (12, 1664928), (16, 1248696), (18, 1109952), (24, 832464), (27, 739968), (32, 624348), (36, 554976), (41, 487296), (47, 425088), (48, 416232), (54, 369984), (64, 312174), (72, 277488), (81, 246656), (82, 243648), (94, 212544), (96, 208116), (108, 184992), (123, 162432), (128, 156087), (141, 141696), (144, 138744), (162, 123328), (164, 121824), (188, 106272), (192, 104058), (216, 92496), (246, 81216), (282, 70848), (288, 69372), (324, 61664), (328, 60912), (369, 54144), (376, 53136), (384, 52029), (423, 47232), (432, 46248), (492, 40608), (564, 35424), (576, 34686), (648, 30832), (656, 30456), (738, 27072), (752, 26568), (846, 23616), (864, 23124), (984, 20304), (1107, 18048), (1128, 17712), (1152, 17343), (1269, 15744), (1296, 15416), (1312, 15228), (1476, 13536), (1504, 13284), (1692, 11808), (1728, 11562), (1927, 10368), (1968, 10152), (2214, 9024), (2256, 8856), (2538, 7872), (2592, 7708), (2624, 7614), (2952, 6768), (3008, 6642), (3321, 6016), (3384, 5904), (3456, 5781), (3807, 5248), (3854, 5184), (3936, 5076), (4428, 4512)]