18420097168

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{1877}}^1$

素因数の和:2081

約数の個数: 120

約数和(自身を含む): 40604260536

約数和(自身を除く): 22184163368

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 44, 74, 88, 121, 137, 148, 176, 242, 274, 296, 407, 484, 548, 592, 814, 968, 1096, 1507, 1628, 1877, 1936, 2192, 3014, 3256, 3754, 4477, 5069, 6028, 6512, 7508, 8954, 10138, 12056, 15016, 16577, 17908, 20276, 20647, 24112, 30032, 33154, 35816, 40552, 41294, 55759, 66308, 69449, 71632, 81104, 82588, 111518, 132616, 138898, 165176, 223036, 227117, 257149, 265232, 277796, 330352, 446072, 454234, 514298, 555592, 613349, 763939, 892144, 908468, 1028596, 1111184, 1226698, 1527878, 1816936, 2057192, 2453396, 2828639, 3055756, 3633872, 4114384, 4906792, 5657278, 6111512, 8403329, 9514513, 9813584, 11314556, 12223024, 16806658, 19029026, 22629112, 31115029, 33613316, 38058052, 45258224, 62230058, 67226632, 76116104, 104659643, 124460116, 134453264, 152232208, 209319286, 248920232, 418638572, 497840464, 837277144, 1151256073, 1674554288, 2302512146, 4605024292, 9210048584, 18420097168]

約数ペア:

[(1, 18420097168), (2, 9210048584), (4, 4605024292), (8, 2302512146), (11, 1674554288), (16, 1151256073), (22, 837277144), (37, 497840464), (44, 418638572), (74, 248920232), (88, 209319286), (121, 152232208), (137, 134453264), (148, 124460116), (176, 104659643), (242, 76116104), (274, 67226632), (296, 62230058), (407, 45258224), (484, 38058052), (548, 33613316), (592, 31115029), (814, 22629112), (968, 19029026), (1096, 16806658), (1507, 12223024), (1628, 11314556), (1877, 9813584), (1936, 9514513), (2192, 8403329), (3014, 6111512), (3256, 5657278), (3754, 4906792), (4477, 4114384), (5069, 3633872), (6028, 3055756), (6512, 2828639), (7508, 2453396), (8954, 2057192), (10138, 1816936), (12056, 1527878), (15016, 1226698), (16577, 1111184), (17908, 1028596), (20276, 908468), (20647, 892144), (24112, 763939), (30032, 613349), (33154, 555592), (35816, 514298), (40552, 454234), (41294, 446072), (55759, 330352), (66308, 277796), (69449, 265232), (71632, 257149), (81104, 227117), (82588, 223036), (111518, 165176), (132616, 138898)]