18005328

素因数分解:

$2^4\times 3^5\times {\mathrm{11}}^1\times {\mathrm{421}}^1$

素因数の和:455

約数の個数: 120

約数和(自身を含む): 57142176

約数和(自身を除く): 39136848

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 33, 36, 44, 48, 54, 66, 72, 81, 88, 99, 108, 132, 144, 162, 176, 198, 216, 243, 264, 297, 324, 396, 421, 432, 486, 528, 594, 648, 792, 842, 891, 972, 1188, 1263, 1296, 1584, 1684, 1782, 1944, 2376, 2526, 2673, 3368, 3564, 3789, 3888, 4631, 4752, 5052, 5346, 6736, 7128, 7578, 9262, 10104, 10692, 11367, 13893, 14256, 15156, 18524, 20208, 21384, 22734, 27786, 30312, 34101, 37048, 41679, 42768, 45468, 55572, 60624, 68202, 74096, 83358, 90936, 102303, 111144, 125037, 136404, 166716, 181872, 204606, 222288, 250074, 272808, 333432, 375111, 409212, 500148, 545616, 666864, 750222, 818424, 1000296, 1125333, 1500444, 1636848, 2000592, 2250666, 3000888, 4501332, 6001776, 9002664, 18005328]

約数ペア:

[(1, 18005328), (2, 9002664), (3, 6001776), (4, 4501332), (6, 3000888), (8, 2250666), (9, 2000592), (11, 1636848), (12, 1500444), (16, 1125333), (18, 1000296), (22, 818424), (24, 750222), (27, 666864), (33, 545616), (36, 500148), (44, 409212), (48, 375111), (54, 333432), (66, 272808), (72, 250074), (81, 222288), (88, 204606), (99, 181872), (108, 166716), (132, 136404), (144, 125037), (162, 111144), (176, 102303), (198, 90936), (216, 83358), (243, 74096), (264, 68202), (297, 60624), (324, 55572), (396, 45468), (421, 42768), (432, 41679), (486, 37048), (528, 34101), (594, 30312), (648, 27786), (792, 22734), (842, 21384), (891, 20208), (972, 18524), (1188, 15156), (1263, 14256), (1296, 13893), (1584, 11367), (1684, 10692), (1782, 10104), (1944, 9262), (2376, 7578), (2526, 7128), (2673, 6736), (3368, 5346), (3564, 5052), (3789, 4752), (3888, 4631)]