18450784

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:140

約数の個数: 96

約数和(自身を含む): 43110144

約数和(自身を除く): 24659360

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 43, 44, 46, 53, 86, 88, 92, 106, 172, 176, 184, 212, 253, 344, 352, 368, 424, 473, 506, 583, 688, 736, 848, 946, 989, 1012, 1166, 1219, 1376, 1696, 1892, 1978, 2024, 2279, 2332, 2438, 3784, 3956, 4048, 4558, 4664, 4876, 7568, 7912, 8096, 9116, 9328, 9752, 10879, 13409, 15136, 15824, 18232, 18656, 19504, 21758, 25069, 26818, 31648, 36464, 39008, 43516, 50138, 52417, 53636, 72928, 87032, 100276, 104834, 107272, 174064, 200552, 209668, 214544, 348128, 401104, 419336, 429088, 576587, 802208, 838672, 1153174, 1677344, 2306348, 4612696, 9225392, 18450784]

約数ペア:

[(1, 18450784), (2, 9225392), (4, 4612696), (8, 2306348), (11, 1677344), (16, 1153174), (22, 838672), (23, 802208), (32, 576587), (43, 429088), (44, 419336), (46, 401104), (53, 348128), (86, 214544), (88, 209668), (92, 200552), (106, 174064), (172, 107272), (176, 104834), (184, 100276), (212, 87032), (253, 72928), (344, 53636), (352, 52417), (368, 50138), (424, 43516), (473, 39008), (506, 36464), (583, 31648), (688, 26818), (736, 25069), (848, 21758), (946, 19504), (989, 18656), (1012, 18232), (1166, 15824), (1219, 15136), (1376, 13409), (1696, 10879), (1892, 9752), (1978, 9328), (2024, 9116), (2279, 8096), (2332, 7912), (2438, 7568), (3784, 4876), (3956, 4664), (4048, 4558)]