18680382

素因数分解:

$2^1\times 3^5\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:77

約数の個数: 144

約数和(自身を含む): 53639040

約数和(自身を除く): 34958658

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 19, 21, 27, 34, 38, 42, 51, 54, 57, 63, 81, 102, 114, 119, 126, 133, 153, 162, 171, 189, 238, 243, 266, 289, 306, 323, 342, 357, 378, 399, 459, 486, 513, 567, 578, 646, 714, 798, 867, 918, 969, 1026, 1071, 1134, 1197, 1377, 1539, 1701, 1734, 1938, 2023, 2142, 2261, 2394, 2601, 2754, 2907, 3078, 3213, 3402, 3591, 4046, 4131, 4522, 4617, 5202, 5491, 5814, 6069, 6426, 6783, 7182, 7803, 8262, 8721, 9234, 9639, 10773, 10982, 12138, 13566, 15606, 16473, 17442, 18207, 19278, 20349, 21546, 23409, 26163, 28917, 32319, 32946, 36414, 38437, 40698, 46818, 49419, 52326, 54621, 57834, 61047, 64638, 70227, 76874, 78489, 98838, 109242, 115311, 122094, 140454, 148257, 156978, 163863, 183141, 230622, 296514, 327726, 345933, 366282, 444771, 491589, 549423, 691866, 889542, 983178, 1037799, 1098846, 1334313, 2075598, 2668626, 3113397, 6226794, 9340191, 18680382]

約数ペア:

[(1, 18680382), (2, 9340191), (3, 6226794), (6, 3113397), (7, 2668626), (9, 2075598), (14, 1334313), (17, 1098846), (18, 1037799), (19, 983178), (21, 889542), (27, 691866), (34, 549423), (38, 491589), (42, 444771), (51, 366282), (54, 345933), (57, 327726), (63, 296514), (81, 230622), (102, 183141), (114, 163863), (119, 156978), (126, 148257), (133, 140454), (153, 122094), (162, 115311), (171, 109242), (189, 98838), (238, 78489), (243, 76874), (266, 70227), (289, 64638), (306, 61047), (323, 57834), (342, 54621), (357, 52326), (378, 49419), (399, 46818), (459, 40698), (486, 38437), (513, 36414), (567, 32946), (578, 32319), (646, 28917), (714, 26163), (798, 23409), (867, 21546), (918, 20349), (969, 19278), (1026, 18207), (1071, 17442), (1134, 16473), (1197, 15606), (1377, 13566), (1539, 12138), (1701, 10982), (1734, 10773), (1938, 9639), (2023, 9234), (2142, 8721), (2261, 8262), (2394, 7803), (2601, 7182), (2754, 6783), (2907, 6426), (3078, 6069), (3213, 5814), (3402, 5491), (3591, 5202), (4046, 4617), (4131, 4522)]