18938556

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:121

約数の個数: 192

約数和(自身を含む): 63221760

約数和(自身を除く): 44283204

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 41, 42, 47, 52, 54, 63, 78, 82, 84, 91, 94, 108, 117, 123, 126, 141, 156, 164, 182, 188, 189, 234, 246, 252, 273, 282, 287, 329, 351, 364, 369, 378, 423, 468, 492, 533, 546, 564, 574, 611, 658, 702, 738, 756, 819, 846, 861, 987, 1066, 1092, 1107, 1148, 1222, 1269, 1316, 1404, 1476, 1599, 1638, 1692, 1722, 1833, 1927, 1974, 2132, 2214, 2444, 2457, 2538, 2583, 2961, 3198, 3276, 3444, 3666, 3731, 3854, 3948, 4277, 4428, 4797, 4914, 5076, 5166, 5499, 5781, 5922, 6396, 7332, 7462, 7708, 7749, 8554, 8883, 9594, 9828, 10332, 10998, 11193, 11562, 11844, 12831, 13489, 14391, 14924, 15498, 16497, 17108, 17343, 17766, 19188, 21996, 22386, 23124, 25051, 25662, 26978, 28782, 30996, 32994, 33579, 34686, 35532, 38493, 40467, 44772, 50102, 51324, 52029, 53956, 57564, 65988, 67158, 69372, 75153, 76986, 80934, 100204, 100737, 104058, 115479, 121401, 134316, 150306, 153972, 161868, 175357, 201474, 208116, 225459, 230958, 242802, 300612, 350714, 364203, 402948, 450918, 461916, 485604, 526071, 676377, 701428, 728406, 901836, 1052142, 1352754, 1456812, 1578213, 2104284, 2705508, 3156426, 4734639, 6312852, 9469278, 18938556]

約数ペア:

[(1, 18938556), (2, 9469278), (3, 6312852), (4, 4734639), (6, 3156426), (7, 2705508), (9, 2104284), (12, 1578213), (13, 1456812), (14, 1352754), (18, 1052142), (21, 901836), (26, 728406), (27, 701428), (28, 676377), (36, 526071), (39, 485604), (41, 461916), (42, 450918), (47, 402948), (52, 364203), (54, 350714), (63, 300612), (78, 242802), (82, 230958), (84, 225459), (91, 208116), (94, 201474), (108, 175357), (117, 161868), (123, 153972), (126, 150306), (141, 134316), (156, 121401), (164, 115479), (182, 104058), (188, 100737), (189, 100204), (234, 80934), (246, 76986), (252, 75153), (273, 69372), (282, 67158), (287, 65988), (329, 57564), (351, 53956), (364, 52029), (369, 51324), (378, 50102), (423, 44772), (468, 40467), (492, 38493), (533, 35532), (546, 34686), (564, 33579), (574, 32994), (611, 30996), (658, 28782), (702, 26978), (738, 25662), (756, 25051), (819, 23124), (846, 22386), (861, 21996), (987, 19188), (1066, 17766), (1092, 17343), (1107, 17108), (1148, 16497), (1222, 15498), (1269, 14924), (1316, 14391), (1404, 13489), (1476, 12831), (1599, 11844), (1638, 11562), (1692, 11193), (1722, 10998), (1833, 10332), (1927, 9828), (1974, 9594), (2132, 8883), (2214, 8554), (2444, 7749), (2457, 7708), (2538, 7462), (2583, 7332), (2961, 6396), (3198, 5922), (3276, 5781), (3444, 5499), (3666, 5166), (3731, 5076), (3854, 4914), (3948, 4797), (4277, 4428)]