19982144

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:152

約数の個数: 112

約数和(自身を含む): 50523648

約数和(自身を除く): 30541504

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 47, 52, 56, 64, 73, 91, 94, 104, 112, 146, 182, 188, 208, 224, 292, 329, 364, 376, 416, 448, 511, 584, 611, 658, 728, 752, 832, 949, 1022, 1168, 1222, 1316, 1456, 1504, 1898, 2044, 2336, 2444, 2632, 2912, 3008, 3431, 3796, 4088, 4277, 4672, 4888, 5264, 5824, 6643, 6862, 7592, 8176, 8554, 9776, 10528, 13286, 13724, 15184, 16352, 17108, 19552, 21056, 24017, 26572, 27448, 30368, 32704, 34216, 39104, 44603, 48034, 53144, 54896, 60736, 68432, 89206, 96068, 106288, 109792, 136864, 178412, 192136, 212576, 219584, 273728, 312221, 356824, 384272, 425152, 624442, 713648, 768544, 1248884, 1427296, 1537088, 2497768, 2854592, 4995536, 9991072, 19982144]

約数ペア:

[(1, 19982144), (2, 9991072), (4, 4995536), (7, 2854592), (8, 2497768), (13, 1537088), (14, 1427296), (16, 1248884), (26, 768544), (28, 713648), (32, 624442), (47, 425152), (52, 384272), (56, 356824), (64, 312221), (73, 273728), (91, 219584), (94, 212576), (104, 192136), (112, 178412), (146, 136864), (182, 109792), (188, 106288), (208, 96068), (224, 89206), (292, 68432), (329, 60736), (364, 54896), (376, 53144), (416, 48034), (448, 44603), (511, 39104), (584, 34216), (611, 32704), (658, 30368), (728, 27448), (752, 26572), (832, 24017), (949, 21056), (1022, 19552), (1168, 17108), (1222, 16352), (1316, 15184), (1456, 13724), (1504, 13286), (1898, 10528), (2044, 9776), (2336, 8554), (2444, 8176), (2632, 7592), (2912, 6862), (3008, 6643), (3431, 5824), (3796, 5264), (4088, 4888), (4277, 4672)]