19967808

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1$

素因数の和:284

約数の個数: 112

約数和(自身を含む): 61447680

約数和(自身を除く): 41479872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 83, 84, 96, 112, 166, 168, 179, 192, 224, 249, 332, 336, 358, 448, 498, 537, 581, 664, 672, 716, 996, 1074, 1162, 1253, 1328, 1344, 1432, 1743, 1992, 2148, 2324, 2506, 2656, 2864, 3486, 3759, 3984, 4296, 4648, 5012, 5312, 5728, 6972, 7518, 7968, 8592, 9296, 10024, 11456, 13944, 14857, 15036, 15936, 17184, 18592, 20048, 27888, 29714, 30072, 34368, 37184, 40096, 44571, 55776, 59428, 60144, 80192, 89142, 103999, 111552, 118856, 120288, 178284, 207998, 237712, 240576, 311997, 356568, 415996, 475424, 623994, 713136, 831992, 950848, 1247988, 1426272, 1663984, 2495976, 2852544, 3327968, 4991952, 6655936, 9983904, 19967808]

約数ペア:

[(1, 19967808), (2, 9983904), (3, 6655936), (4, 4991952), (6, 3327968), (7, 2852544), (8, 2495976), (12, 1663984), (14, 1426272), (16, 1247988), (21, 950848), (24, 831992), (28, 713136), (32, 623994), (42, 475424), (48, 415996), (56, 356568), (64, 311997), (83, 240576), (84, 237712), (96, 207998), (112, 178284), (166, 120288), (168, 118856), (179, 111552), (192, 103999), (224, 89142), (249, 80192), (332, 60144), (336, 59428), (358, 55776), (448, 44571), (498, 40096), (537, 37184), (581, 34368), (664, 30072), (672, 29714), (716, 27888), (996, 20048), (1074, 18592), (1162, 17184), (1253, 15936), (1328, 15036), (1344, 14857), (1432, 13944), (1743, 11456), (1992, 10024), (2148, 9296), (2324, 8592), (2506, 7968), (2656, 7518), (2864, 6972), (3486, 5728), (3759, 5312), (3984, 5012), (4296, 4648)]