18538848

素因数分解:

$2^5\times 3^3\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:561

約数の個数: 96

約数和(自身を含む): 55440000

約数和(自身を除く): 36901152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 43, 48, 54, 72, 86, 96, 108, 129, 144, 172, 216, 258, 288, 344, 387, 432, 499, 516, 688, 774, 864, 998, 1032, 1161, 1376, 1497, 1548, 1996, 2064, 2322, 2994, 3096, 3992, 4128, 4491, 4644, 5988, 6192, 7984, 8982, 9288, 11976, 12384, 13473, 15968, 17964, 18576, 21457, 23952, 26946, 35928, 37152, 42914, 47904, 53892, 64371, 71856, 85828, 107784, 128742, 143712, 171656, 193113, 215568, 257484, 343312, 386226, 431136, 514968, 579339, 686624, 772452, 1029936, 1158678, 1544904, 2059872, 2317356, 3089808, 4634712, 6179616, 9269424, 18538848]

約数ペア:

[(1, 18538848), (2, 9269424), (3, 6179616), (4, 4634712), (6, 3089808), (8, 2317356), (9, 2059872), (12, 1544904), (16, 1158678), (18, 1029936), (24, 772452), (27, 686624), (32, 579339), (36, 514968), (43, 431136), (48, 386226), (54, 343312), (72, 257484), (86, 215568), (96, 193113), (108, 171656), (129, 143712), (144, 128742), (172, 107784), (216, 85828), (258, 71856), (288, 64371), (344, 53892), (387, 47904), (432, 42914), (499, 37152), (516, 35928), (688, 26946), (774, 23952), (864, 21457), (998, 18576), (1032, 17964), (1161, 15968), (1376, 13473), (1497, 12384), (1548, 11976), (1996, 9288), (2064, 8982), (2322, 7984), (2994, 6192), (3096, 5988), (3992, 4644), (4128, 4491)]