18991104

素因数分解:

$2^{11}\times 3^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1$

素因数の和:317

約数の個数: 96

約数和(自身を含む): 55429920

約数和(自身を除く): 36438816

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 88, 96, 128, 132, 176, 192, 256, 264, 281, 352, 384, 512, 528, 562, 704, 768, 843, 1024, 1056, 1124, 1408, 1536, 1686, 2048, 2112, 2248, 2816, 3072, 3091, 3372, 4224, 4496, 5632, 6144, 6182, 6744, 8448, 8992, 9273, 11264, 12364, 13488, 16896, 17984, 18546, 22528, 24728, 26976, 33792, 35968, 37092, 49456, 53952, 67584, 71936, 74184, 98912, 107904, 143872, 148368, 197824, 215808, 287744, 296736, 395648, 431616, 575488, 593472, 791296, 863232, 1186944, 1582592, 1726464, 2373888, 3165184, 4747776, 6330368, 9495552, 18991104]

約数ペア:

[(1, 18991104), (2, 9495552), (3, 6330368), (4, 4747776), (6, 3165184), (8, 2373888), (11, 1726464), (12, 1582592), (16, 1186944), (22, 863232), (24, 791296), (32, 593472), (33, 575488), (44, 431616), (48, 395648), (64, 296736), (66, 287744), (88, 215808), (96, 197824), (128, 148368), (132, 143872), (176, 107904), (192, 98912), (256, 74184), (264, 71936), (281, 67584), (352, 53952), (384, 49456), (512, 37092), (528, 35968), (562, 33792), (704, 26976), (768, 24728), (843, 22528), (1024, 18546), (1056, 17984), (1124, 16896), (1408, 13488), (1536, 12364), (1686, 11264), (2048, 9273), (2112, 8992), (2248, 8448), (2816, 6744), (3072, 6182), (3091, 6144), (3372, 5632), (4224, 4496)]