18889686

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^1\times {\mathrm{19}}^3$

素因数の和:88

約数の個数: 80

約数和(自身を含む): 47306160

約数和(自身を除く): 28416474

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 27, 34, 38, 51, 54, 57, 81, 102, 114, 153, 162, 171, 306, 323, 342, 361, 459, 513, 646, 722, 918, 969, 1026, 1083, 1377, 1539, 1938, 2166, 2754, 2907, 3078, 3249, 5814, 6137, 6498, 6859, 8721, 9747, 12274, 13718, 17442, 18411, 19494, 20577, 26163, 29241, 36822, 41154, 52326, 55233, 58482, 61731, 110466, 116603, 123462, 165699, 185193, 233206, 331398, 349809, 370386, 497097, 555579, 699618, 994194, 1049427, 1111158, 2098854, 3148281, 6296562, 9444843, 18889686]

約数ペア:

[(1, 18889686), (2, 9444843), (3, 6296562), (6, 3148281), (9, 2098854), (17, 1111158), (18, 1049427), (19, 994194), (27, 699618), (34, 555579), (38, 497097), (51, 370386), (54, 349809), (57, 331398), (81, 233206), (102, 185193), (114, 165699), (153, 123462), (162, 116603), (171, 110466), (306, 61731), (323, 58482), (342, 55233), (361, 52326), (459, 41154), (513, 36822), (646, 29241), (722, 26163), (918, 20577), (969, 19494), (1026, 18411), (1083, 17442), (1377, 13718), (1539, 12274), (1938, 9747), (2166, 8721), (2754, 6859), (2907, 6498), (3078, 6137), (3249, 5814)]