2018940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:72

約数の個数: 192

約数和(自身を含む): 7741440

約数和(自身を除く): 5722500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 19, 20, 21, 22, 23, 28, 30, 33, 35, 38, 42, 44, 46, 55, 57, 60, 66, 69, 70, 76, 77, 84, 92, 95, 105, 110, 114, 115, 132, 133, 138, 140, 154, 161, 165, 190, 209, 210, 220, 228, 230, 231, 253, 266, 276, 285, 308, 322, 330, 345, 380, 385, 399, 418, 420, 437, 460, 462, 483, 506, 532, 570, 627, 644, 660, 665, 690, 759, 770, 798, 805, 836, 874, 924, 966, 1012, 1045, 1140, 1155, 1254, 1265, 1311, 1330, 1380, 1463, 1518, 1540, 1596, 1610, 1748, 1771, 1932, 1995, 2090, 2185, 2310, 2415, 2508, 2530, 2622, 2660, 2926, 3036, 3059, 3135, 3220, 3542, 3795, 3990, 4180, 4370, 4389, 4620, 4807, 4830, 5060, 5244, 5313, 5852, 6118, 6270, 6555, 7084, 7315, 7590, 7980, 8740, 8778, 8855, 9177, 9614, 9660, 10626, 12236, 12540, 13110, 14421, 14630, 15180, 15295, 17556, 17710, 18354, 19228, 21252, 21945, 24035, 26220, 26565, 28842, 29260, 30590, 33649, 35420, 36708, 43890, 45885, 48070, 53130, 57684, 61180, 67298, 72105, 87780, 91770, 96140, 100947, 106260, 134596, 144210, 168245, 183540, 201894, 288420, 336490, 403788, 504735, 672980, 1009470, 2018940]

約数ペア:

[(1, 2018940), (2, 1009470), (3, 672980), (4, 504735), (5, 403788), (6, 336490), (7, 288420), (10, 201894), (11, 183540), (12, 168245), (14, 144210), (15, 134596), (19, 106260), (20, 100947), (21, 96140), (22, 91770), (23, 87780), (28, 72105), (30, 67298), (33, 61180), (35, 57684), (38, 53130), (42, 48070), (44, 45885), (46, 43890), (55, 36708), (57, 35420), (60, 33649), (66, 30590), (69, 29260), (70, 28842), (76, 26565), (77, 26220), (84, 24035), (92, 21945), (95, 21252), (105, 19228), (110, 18354), (114, 17710), (115, 17556), (132, 15295), (133, 15180), (138, 14630), (140, 14421), (154, 13110), (161, 12540), (165, 12236), (190, 10626), (209, 9660), (210, 9614), (220, 9177), (228, 8855), (230, 8778), (231, 8740), (253, 7980), (266, 7590), (276, 7315), (285, 7084), (308, 6555), (322, 6270), (330, 6118), (345, 5852), (380, 5313), (385, 5244), (399, 5060), (418, 4830), (420, 4807), (437, 4620), (460, 4389), (462, 4370), (483, 4180), (506, 3990), (532, 3795), (570, 3542), (627, 3220), (644, 3135), (660, 3059), (665, 3036), (690, 2926), (759, 2660), (770, 2622), (798, 2530), (805, 2508), (836, 2415), (874, 2310), (924, 2185), (966, 2090), (1012, 1995), (1045, 1932), (1140, 1771), (1155, 1748), (1254, 1610), (1265, 1596), (1311, 1540), (1330, 1518), (1380, 1463)]