16918761728

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{2693}}^1$

素因数の和:2840

約数の個数: 144

約数和(自身を含む): 38854118016

約数和(自身を除く): 21935356288

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 44, 46, 64, 88, 92, 97, 128, 176, 184, 194, 253, 256, 352, 368, 388, 506, 704, 736, 776, 1012, 1067, 1408, 1472, 1552, 2024, 2134, 2231, 2693, 2816, 2944, 3104, 4048, 4268, 4462, 5386, 5888, 6208, 8096, 8536, 8924, 10772, 12416, 16192, 17072, 17848, 21544, 24541, 24832, 29623, 32384, 34144, 35696, 43088, 49082, 59246, 61939, 64768, 68288, 71392, 86176, 98164, 118492, 123878, 136576, 142784, 172352, 196328, 236984, 247756, 261221, 273152, 285568, 344704, 392656, 473968, 495512, 522442, 571136, 681329, 689408, 785312, 947936, 991024, 1044884, 1362658, 1570624, 1895872, 1982048, 2089768, 2725316, 2873431, 3141248, 3791744, 3964096, 4179536, 5450632, 5746862, 6008083, 6282496, 7583488, 7928192, 8359072, 10901264, 11493724, 12016166, 15856384, 16718144, 21802528, 22987448, 24032332, 33436288, 43605056, 45974896, 48064664, 66088913, 66872576, 87210112, 91949792, 96129328, 132177826, 174420224, 183899584, 192258656, 264355652, 367799168, 384517312, 528711304, 735598336, 769034624, 1057422608, 1538069248, 2114845216, 4229690432, 8459380864, 16918761728]

約数ペア:

[(1, 16918761728), (2, 8459380864), (4, 4229690432), (8, 2114845216), (11, 1538069248), (16, 1057422608), (22, 769034624), (23, 735598336), (32, 528711304), (44, 384517312), (46, 367799168), (64, 264355652), (88, 192258656), (92, 183899584), (97, 174420224), (128, 132177826), (176, 96129328), (184, 91949792), (194, 87210112), (253, 66872576), (256, 66088913), (352, 48064664), (368, 45974896), (388, 43605056), (506, 33436288), (704, 24032332), (736, 22987448), (776, 21802528), (1012, 16718144), (1067, 15856384), (1408, 12016166), (1472, 11493724), (1552, 10901264), (2024, 8359072), (2134, 7928192), (2231, 7583488), (2693, 6282496), (2816, 6008083), (2944, 5746862), (3104, 5450632), (4048, 4179536), (4268, 3964096), (4462, 3791744), (5386, 3141248), (5888, 2873431), (6208, 2725316), (8096, 2089768), (8536, 1982048), (8924, 1895872), (10772, 1570624), (12416, 1362658), (16192, 1044884), (17072, 991024), (17848, 947936), (21544, 785312), (24541, 689408), (24832, 681329), (29623, 571136), (32384, 522442), (34144, 495512), (35696, 473968), (43088, 392656), (49082, 344704), (59246, 285568), (61939, 273152), (64768, 261221), (68288, 247756), (71392, 236984), (86176, 196328), (98164, 172352), (118492, 142784), (123878, 136576)]