18984840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{233}}^1$

素因数の和:351

約数の個数: 128

約数和(自身を含む): 66044160

約数和(自身を除く): 47059320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 97, 105, 120, 140, 168, 194, 210, 233, 280, 291, 388, 420, 466, 485, 582, 679, 699, 776, 840, 932, 970, 1164, 1165, 1358, 1398, 1455, 1631, 1864, 1940, 2037, 2328, 2330, 2716, 2796, 2910, 3262, 3395, 3495, 3880, 4074, 4660, 4893, 5432, 5592, 5820, 6524, 6790, 6990, 8148, 8155, 9320, 9786, 10185, 11640, 13048, 13580, 13980, 16296, 16310, 19572, 20370, 22601, 24465, 27160, 27960, 32620, 39144, 40740, 45202, 48930, 65240, 67803, 81480, 90404, 97860, 113005, 135606, 158207, 180808, 195720, 226010, 271212, 316414, 339015, 452020, 474621, 542424, 632828, 678030, 791035, 904040, 949242, 1265656, 1356060, 1582070, 1898484, 2373105, 2712120, 3164140, 3796968, 4746210, 6328280, 9492420, 18984840]

約数ペア:

[(1, 18984840), (2, 9492420), (3, 6328280), (4, 4746210), (5, 3796968), (6, 3164140), (7, 2712120), (8, 2373105), (10, 1898484), (12, 1582070), (14, 1356060), (15, 1265656), (20, 949242), (21, 904040), (24, 791035), (28, 678030), (30, 632828), (35, 542424), (40, 474621), (42, 452020), (56, 339015), (60, 316414), (70, 271212), (84, 226010), (97, 195720), (105, 180808), (120, 158207), (140, 135606), (168, 113005), (194, 97860), (210, 90404), (233, 81480), (280, 67803), (291, 65240), (388, 48930), (420, 45202), (466, 40740), (485, 39144), (582, 32620), (679, 27960), (699, 27160), (776, 24465), (840, 22601), (932, 20370), (970, 19572), (1164, 16310), (1165, 16296), (1358, 13980), (1398, 13580), (1455, 13048), (1631, 11640), (1864, 10185), (1940, 9786), (2037, 9320), (2328, 8155), (2330, 8148), (2716, 6990), (2796, 6790), (2910, 6524), (3262, 5820), (3395, 5592), (3495, 5432), (3880, 4893), (4074, 4660)]