18520704

素因数分解:

$2^7\times 3^3\times {\mathrm{23}}^1\times {\mathrm{233}}^1$

素因数の和:279

約数の個数: 128

約数和(自身を含む): 57283200

約数和(自身を除く): 38762496

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, 128, 138, 144, 184, 192, 207, 216, 233, 276, 288, 368, 384, 414, 432, 466, 552, 576, 621, 699, 736, 828, 864, 932, 1104, 1152, 1242, 1398, 1472, 1656, 1728, 1864, 2097, 2208, 2484, 2796, 2944, 3312, 3456, 3728, 4194, 4416, 4968, 5359, 5592, 6291, 6624, 7456, 8388, 8832, 9936, 10718, 11184, 12582, 13248, 14912, 16077, 16776, 19872, 21436, 22368, 25164, 26496, 29824, 32154, 33552, 39744, 42872, 44736, 48231, 50328, 64308, 67104, 79488, 85744, 89472, 96462, 100656, 128616, 134208, 144693, 171488, 192924, 201312, 257232, 268416, 289386, 342976, 385848, 402624, 514464, 578772, 685952, 771696, 805248, 1028928, 1157544, 1543392, 2057856, 2315088, 3086784, 4630176, 6173568, 9260352, 18520704]

約数ペア:

[(1, 18520704), (2, 9260352), (3, 6173568), (4, 4630176), (6, 3086784), (8, 2315088), (9, 2057856), (12, 1543392), (16, 1157544), (18, 1028928), (23, 805248), (24, 771696), (27, 685952), (32, 578772), (36, 514464), (46, 402624), (48, 385848), (54, 342976), (64, 289386), (69, 268416), (72, 257232), (92, 201312), (96, 192924), (108, 171488), (128, 144693), (138, 134208), (144, 128616), (184, 100656), (192, 96462), (207, 89472), (216, 85744), (233, 79488), (276, 67104), (288, 64308), (368, 50328), (384, 48231), (414, 44736), (432, 42872), (466, 39744), (552, 33552), (576, 32154), (621, 29824), (699, 26496), (736, 25164), (828, 22368), (864, 21436), (932, 19872), (1104, 16776), (1152, 16077), (1242, 14912), (1398, 13248), (1472, 12582), (1656, 11184), (1728, 10718), (1864, 9936), (2097, 8832), (2208, 8388), (2484, 7456), (2796, 6624), (2944, 6291), (3312, 5592), (3456, 5359), (3728, 4968), (4194, 4416)]