18838656

素因数分解:

$2^7\times 3^4\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:128

約数の個数: 160

約数和(自身を含む): 59241600

約数和(自身を除く): 40402944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 64, 69, 72, 79, 81, 92, 96, 108, 128, 138, 144, 158, 162, 184, 192, 207, 216, 237, 276, 288, 316, 324, 368, 384, 414, 432, 474, 552, 576, 621, 632, 648, 711, 736, 828, 864, 948, 1104, 1152, 1242, 1264, 1296, 1422, 1472, 1656, 1728, 1817, 1863, 1896, 2133, 2208, 2484, 2528, 2592, 2844, 2944, 3312, 3456, 3634, 3726, 3792, 4266, 4416, 4968, 5056, 5184, 5451, 5688, 6399, 6624, 7268, 7452, 7584, 8532, 8832, 9936, 10112, 10368, 10902, 11376, 12798, 13248, 14536, 14904, 15168, 16353, 17064, 19872, 21804, 22752, 25596, 26496, 29072, 29808, 30336, 32706, 34128, 39744, 43608, 45504, 49059, 51192, 58144, 59616, 65412, 68256, 79488, 87216, 91008, 98118, 102384, 116288, 119232, 130824, 136512, 147177, 174432, 196236, 204768, 232576, 238464, 261648, 273024, 294354, 348864, 392472, 409536, 523296, 588708, 697728, 784944, 819072, 1046592, 1177416, 1569888, 2093184, 2354832, 3139776, 4709664, 6279552, 9419328, 18838656]

約数ペア:

[(1, 18838656), (2, 9419328), (3, 6279552), (4, 4709664), (6, 3139776), (8, 2354832), (9, 2093184), (12, 1569888), (16, 1177416), (18, 1046592), (23, 819072), (24, 784944), (27, 697728), (32, 588708), (36, 523296), (46, 409536), (48, 392472), (54, 348864), (64, 294354), (69, 273024), (72, 261648), (79, 238464), (81, 232576), (92, 204768), (96, 196236), (108, 174432), (128, 147177), (138, 136512), (144, 130824), (158, 119232), (162, 116288), (184, 102384), (192, 98118), (207, 91008), (216, 87216), (237, 79488), (276, 68256), (288, 65412), (316, 59616), (324, 58144), (368, 51192), (384, 49059), (414, 45504), (432, 43608), (474, 39744), (552, 34128), (576, 32706), (621, 30336), (632, 29808), (648, 29072), (711, 26496), (736, 25596), (828, 22752), (864, 21804), (948, 19872), (1104, 17064), (1152, 16353), (1242, 15168), (1264, 14904), (1296, 14536), (1422, 13248), (1472, 12798), (1656, 11376), (1728, 10902), (1817, 10368), (1863, 10112), (1896, 9936), (2133, 8832), (2208, 8532), (2484, 7584), (2528, 7452), (2592, 7268), (2844, 6624), (2944, 6399), (3312, 5688), (3456, 5451), (3634, 5184), (3726, 5056), (3792, 4968), (4266, 4416)]