19965312

素因数分解:

$2^7\times 3^3\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:185

約数の個数: 128

約数和(自身を含む): 60588000

約数和(自身を除く): 40622688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 53, 54, 64, 72, 96, 106, 108, 109, 128, 144, 159, 192, 212, 216, 218, 288, 318, 327, 384, 424, 432, 436, 477, 576, 636, 654, 848, 864, 872, 954, 981, 1152, 1272, 1308, 1431, 1696, 1728, 1744, 1908, 1962, 2544, 2616, 2862, 2943, 3392, 3456, 3488, 3816, 3924, 5088, 5232, 5724, 5777, 5886, 6784, 6976, 7632, 7848, 10176, 10464, 11448, 11554, 11772, 13952, 15264, 15696, 17331, 20352, 20928, 22896, 23108, 23544, 30528, 31392, 34662, 41856, 45792, 46216, 47088, 51993, 61056, 62784, 69324, 91584, 92432, 94176, 103986, 125568, 138648, 155979, 183168, 184864, 188352, 207972, 277296, 311958, 369728, 376704, 415944, 554592, 623916, 739456, 831888, 1109184, 1247832, 1663776, 2218368, 2495664, 3327552, 4991328, 6655104, 9982656, 19965312]

約数ペア:

[(1, 19965312), (2, 9982656), (3, 6655104), (4, 4991328), (6, 3327552), (8, 2495664), (9, 2218368), (12, 1663776), (16, 1247832), (18, 1109184), (24, 831888), (27, 739456), (32, 623916), (36, 554592), (48, 415944), (53, 376704), (54, 369728), (64, 311958), (72, 277296), (96, 207972), (106, 188352), (108, 184864), (109, 183168), (128, 155979), (144, 138648), (159, 125568), (192, 103986), (212, 94176), (216, 92432), (218, 91584), (288, 69324), (318, 62784), (327, 61056), (384, 51993), (424, 47088), (432, 46216), (436, 45792), (477, 41856), (576, 34662), (636, 31392), (654, 30528), (848, 23544), (864, 23108), (872, 22896), (954, 20928), (981, 20352), (1152, 17331), (1272, 15696), (1308, 15264), (1431, 13952), (1696, 11772), (1728, 11554), (1744, 11448), (1908, 10464), (1962, 10176), (2544, 7848), (2616, 7632), (2862, 6976), (2943, 6784), (3392, 5886), (3456, 5777), (3488, 5724), (3816, 5232), (3924, 5088)]