19989312

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:268

約数の個数: 112

約数和(自身を含む): 61447680

約数和(自身を除く): 41458368

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 107, 112, 139, 168, 192, 214, 224, 278, 321, 336, 417, 428, 448, 556, 642, 672, 749, 834, 856, 973, 1112, 1284, 1344, 1498, 1668, 1712, 1946, 2224, 2247, 2568, 2919, 2996, 3336, 3424, 3892, 4448, 4494, 5136, 5838, 5992, 6672, 6848, 7784, 8896, 8988, 10272, 11676, 11984, 13344, 14873, 15568, 17976, 20544, 23352, 23968, 26688, 29746, 31136, 35952, 44619, 46704, 47936, 59492, 62272, 71904, 89238, 93408, 104111, 118984, 143808, 178476, 186816, 208222, 237968, 312333, 356952, 416444, 475936, 624666, 713904, 832888, 951872, 1249332, 1427808, 1665776, 2498664, 2855616, 3331552, 4997328, 6663104, 9994656, 19989312]

約数ペア:

[(1, 19989312), (2, 9994656), (3, 6663104), (4, 4997328), (6, 3331552), (7, 2855616), (8, 2498664), (12, 1665776), (14, 1427808), (16, 1249332), (21, 951872), (24, 832888), (28, 713904), (32, 624666), (42, 475936), (48, 416444), (56, 356952), (64, 312333), (84, 237968), (96, 208222), (107, 186816), (112, 178476), (139, 143808), (168, 118984), (192, 104111), (214, 93408), (224, 89238), (278, 71904), (321, 62272), (336, 59492), (417, 47936), (428, 46704), (448, 44619), (556, 35952), (642, 31136), (672, 29746), (749, 26688), (834, 23968), (856, 23352), (973, 20544), (1112, 17976), (1284, 15568), (1344, 14873), (1498, 13344), (1668, 11984), (1712, 11676), (1946, 10272), (2224, 8988), (2247, 8896), (2568, 7784), (2919, 6848), (2996, 6672), (3336, 5992), (3424, 5838), (3892, 5136), (4448, 4494)]