19890576

素因数分解:

$2^4\times 3^3\times {\mathrm{41}}^1\times {\mathrm{1123}}^1$

素因数の和:1181

約数の個数: 80

約数和(自身を含む): 58537920

約数和(自身を除く): 38647344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 41, 48, 54, 72, 82, 108, 123, 144, 164, 216, 246, 328, 369, 432, 492, 656, 738, 984, 1107, 1123, 1476, 1968, 2214, 2246, 2952, 3369, 4428, 4492, 5904, 6738, 8856, 8984, 10107, 13476, 17712, 17968, 20214, 26952, 30321, 40428, 46043, 53904, 60642, 80856, 92086, 121284, 138129, 161712, 184172, 242568, 276258, 368344, 414387, 485136, 552516, 736688, 828774, 1105032, 1243161, 1657548, 2210064, 2486322, 3315096, 4972644, 6630192, 9945288, 19890576]

約数ペア:

[(1, 19890576), (2, 9945288), (3, 6630192), (4, 4972644), (6, 3315096), (8, 2486322), (9, 2210064), (12, 1657548), (16, 1243161), (18, 1105032), (24, 828774), (27, 736688), (36, 552516), (41, 485136), (48, 414387), (54, 368344), (72, 276258), (82, 242568), (108, 184172), (123, 161712), (144, 138129), (164, 121284), (216, 92086), (246, 80856), (328, 60642), (369, 53904), (432, 46043), (492, 40428), (656, 30321), (738, 26952), (984, 20214), (1107, 17968), (1123, 17712), (1476, 13476), (1968, 10107), (2214, 8984), (2246, 8856), (2952, 6738), (3369, 5904), (4428, 4492)]