19991232

素因数分解:

$2^6\times 3^3\times {\mathrm{23}}^1\times {\mathrm{503}}^1$

素因数の和:547

約数の個数: 112

約数和(自身を含む): 61447680

約数和(自身を除く): 41456448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 64, 69, 72, 92, 96, 108, 138, 144, 184, 192, 207, 216, 276, 288, 368, 414, 432, 503, 552, 576, 621, 736, 828, 864, 1006, 1104, 1242, 1472, 1509, 1656, 1728, 2012, 2208, 2484, 3018, 3312, 4024, 4416, 4527, 4968, 6036, 6624, 8048, 9054, 9936, 11569, 12072, 13248, 13581, 16096, 18108, 19872, 23138, 24144, 27162, 32192, 34707, 36216, 39744, 46276, 48288, 54324, 69414, 72432, 92552, 96576, 104121, 108648, 138828, 144864, 185104, 208242, 217296, 277656, 289728, 312363, 370208, 416484, 434592, 555312, 624726, 740416, 832968, 869184, 1110624, 1249452, 1665936, 2221248, 2498904, 3331872, 4997808, 6663744, 9995616, 19991232]

約数ペア:

[(1, 19991232), (2, 9995616), (3, 6663744), (4, 4997808), (6, 3331872), (8, 2498904), (9, 2221248), (12, 1665936), (16, 1249452), (18, 1110624), (23, 869184), (24, 832968), (27, 740416), (32, 624726), (36, 555312), (46, 434592), (48, 416484), (54, 370208), (64, 312363), (69, 289728), (72, 277656), (92, 217296), (96, 208242), (108, 185104), (138, 144864), (144, 138828), (184, 108648), (192, 104121), (207, 96576), (216, 92552), (276, 72432), (288, 69414), (368, 54324), (414, 48288), (432, 46276), (503, 39744), (552, 36216), (576, 34707), (621, 32192), (736, 27162), (828, 24144), (864, 23138), (1006, 19872), (1104, 18108), (1242, 16096), (1472, 13581), (1509, 13248), (1656, 12072), (1728, 11569), (2012, 9936), (2208, 9054), (2484, 8048), (3018, 6624), (3312, 6036), (4024, 4968), (4416, 4527)]