18879872

素因数分解:

$2^7\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:112

約数の個数: 96

約数和(自身を含む): 43953840

約数和(自身を除く): 25073968

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 44, 46, 53, 64, 88, 92, 106, 121, 128, 176, 184, 212, 242, 253, 352, 368, 424, 484, 506, 583, 704, 736, 848, 968, 1012, 1166, 1219, 1408, 1472, 1696, 1936, 2024, 2332, 2438, 2783, 2944, 3392, 3872, 4048, 4664, 4876, 5566, 6413, 6784, 7744, 8096, 9328, 9752, 11132, 12826, 13409, 15488, 16192, 18656, 19504, 22264, 25652, 26818, 32384, 37312, 39008, 44528, 51304, 53636, 74624, 78016, 89056, 102608, 107272, 147499, 156032, 178112, 205216, 214544, 294998, 356224, 410432, 429088, 589996, 820864, 858176, 1179992, 1716352, 2359984, 4719968, 9439936, 18879872]

約数ペア:

[(1, 18879872), (2, 9439936), (4, 4719968), (8, 2359984), (11, 1716352), (16, 1179992), (22, 858176), (23, 820864), (32, 589996), (44, 429088), (46, 410432), (53, 356224), (64, 294998), (88, 214544), (92, 205216), (106, 178112), (121, 156032), (128, 147499), (176, 107272), (184, 102608), (212, 89056), (242, 78016), (253, 74624), (352, 53636), (368, 51304), (424, 44528), (484, 39008), (506, 37312), (583, 32384), (704, 26818), (736, 25652), (848, 22264), (968, 19504), (1012, 18656), (1166, 16192), (1219, 15488), (1408, 13409), (1472, 12826), (1696, 11132), (1936, 9752), (2024, 9328), (2332, 8096), (2438, 7744), (2783, 6784), (2944, 6413), (3392, 5566), (3872, 4876), (4048, 4664)]