18858528

素因数分解:

$2^5\times 3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:128

約数の個数: 192

約数和(自身を含む): 62657280

約数和(自身を除く): 43798752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 23, 24, 26, 27, 32, 36, 39, 46, 48, 52, 54, 69, 72, 73, 78, 92, 96, 104, 108, 117, 138, 144, 146, 156, 184, 207, 208, 216, 219, 234, 276, 288, 292, 299, 312, 351, 368, 414, 416, 432, 438, 468, 552, 584, 598, 621, 624, 657, 702, 736, 828, 864, 876, 897, 936, 949, 1104, 1168, 1196, 1242, 1248, 1314, 1404, 1656, 1679, 1752, 1794, 1872, 1898, 1971, 2208, 2336, 2392, 2484, 2628, 2691, 2808, 2847, 3312, 3358, 3504, 3588, 3744, 3796, 3942, 4784, 4968, 5037, 5256, 5382, 5616, 5694, 6624, 6716, 7008, 7176, 7592, 7884, 8073, 8541, 9568, 9936, 10074, 10512, 10764, 11232, 11388, 13432, 14352, 15111, 15184, 15768, 16146, 17082, 19872, 20148, 21024, 21528, 21827, 22776, 25623, 26864, 28704, 30222, 30368, 31536, 32292, 34164, 40296, 43056, 43654, 45333, 45552, 51246, 53728, 60444, 63072, 64584, 65481, 68328, 80592, 86112, 87308, 90666, 91104, 102492, 120888, 129168, 130962, 136656, 161184, 174616, 181332, 196443, 204984, 241776, 258336, 261924, 273312, 349232, 362664, 392886, 409968, 483552, 523848, 589329, 698464, 725328, 785772, 819936, 1047696, 1178658, 1450656, 1571544, 2095392, 2357316, 3143088, 4714632, 6286176, 9429264, 18858528]

約数ペア:

[(1, 18858528), (2, 9429264), (3, 6286176), (4, 4714632), (6, 3143088), (8, 2357316), (9, 2095392), (12, 1571544), (13, 1450656), (16, 1178658), (18, 1047696), (23, 819936), (24, 785772), (26, 725328), (27, 698464), (32, 589329), (36, 523848), (39, 483552), (46, 409968), (48, 392886), (52, 362664), (54, 349232), (69, 273312), (72, 261924), (73, 258336), (78, 241776), (92, 204984), (96, 196443), (104, 181332), (108, 174616), (117, 161184), (138, 136656), (144, 130962), (146, 129168), (156, 120888), (184, 102492), (207, 91104), (208, 90666), (216, 87308), (219, 86112), (234, 80592), (276, 68328), (288, 65481), (292, 64584), (299, 63072), (312, 60444), (351, 53728), (368, 51246), (414, 45552), (416, 45333), (432, 43654), (438, 43056), (468, 40296), (552, 34164), (584, 32292), (598, 31536), (621, 30368), (624, 30222), (657, 28704), (702, 26864), (736, 25623), (828, 22776), (864, 21827), (876, 21528), (897, 21024), (936, 20148), (949, 19872), (1104, 17082), (1168, 16146), (1196, 15768), (1242, 15184), (1248, 15111), (1314, 14352), (1404, 13432), (1656, 11388), (1679, 11232), (1752, 10764), (1794, 10512), (1872, 10074), (1898, 9936), (1971, 9568), (2208, 8541), (2336, 8073), (2392, 7884), (2484, 7592), (2628, 7176), (2691, 7008), (2808, 6716), (2847, 6624), (3312, 5694), (3358, 5616), (3504, 5382), (3588, 5256), (3744, 5037), (3796, 4968), (3942, 4784)]