18812808704

素因数分解:

$2^9\times {\mathrm{127}}^1\times {\mathrm{349}}^1\times {\mathrm{829}}^1$

素因数の和:1323

約数の個数: 80

約数和(自身を含む): 38039232000

約数和(自身を除く): 19226423296

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 256, 349, 508, 512, 698, 829, 1016, 1396, 1658, 2032, 2792, 3316, 4064, 5584, 6632, 8128, 11168, 13264, 16256, 22336, 26528, 32512, 44323, 44672, 53056, 65024, 88646, 89344, 105283, 106112, 177292, 178688, 210566, 212224, 289321, 354584, 421132, 424448, 578642, 709168, 842264, 1157284, 1418336, 1684528, 2314568, 2836672, 3369056, 4629136, 5673344, 6738112, 9258272, 11346688, 13476224, 18516544, 22693376, 26952448, 36743767, 37033088, 53904896, 73487534, 74066176, 146975068, 148132352, 293950136, 587900272, 1175800544, 2351601088, 4703202176, 9406404352, 18812808704]

約数ペア:

[(1, 18812808704), (2, 9406404352), (4, 4703202176), (8, 2351601088), (16, 1175800544), (32, 587900272), (64, 293950136), (127, 148132352), (128, 146975068), (254, 74066176), (256, 73487534), (349, 53904896), (508, 37033088), (512, 36743767), (698, 26952448), (829, 22693376), (1016, 18516544), (1396, 13476224), (1658, 11346688), (2032, 9258272), (2792, 6738112), (3316, 5673344), (4064, 4629136), (5584, 3369056), (6632, 2836672), (8128, 2314568), (11168, 1684528), (13264, 1418336), (16256, 1157284), (22336, 842264), (26528, 709168), (32512, 578642), (44323, 424448), (44672, 421132), (53056, 354584), (65024, 289321), (88646, 212224), (89344, 210566), (105283, 178688), (106112, 177292)]