18989424

素因数分解:

$2^4\times 3^3\times {\mathrm{113}}^1\times {\mathrm{389}}^1$

素因数の和:519

約数の個数: 80

約数和(自身を含む): 55130400

約数和(自身を除く): 36140976

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 113, 144, 216, 226, 339, 389, 432, 452, 678, 778, 904, 1017, 1167, 1356, 1556, 1808, 2034, 2334, 2712, 3051, 3112, 3501, 4068, 4668, 5424, 6102, 6224, 7002, 8136, 9336, 10503, 12204, 14004, 16272, 18672, 21006, 24408, 28008, 42012, 43957, 48816, 56016, 84024, 87914, 131871, 168048, 175828, 263742, 351656, 395613, 527484, 703312, 791226, 1054968, 1186839, 1582452, 2109936, 2373678, 3164904, 4747356, 6329808, 9494712, 18989424]

約数ペア:

[(1, 18989424), (2, 9494712), (3, 6329808), (4, 4747356), (6, 3164904), (8, 2373678), (9, 2109936), (12, 1582452), (16, 1186839), (18, 1054968), (24, 791226), (27, 703312), (36, 527484), (48, 395613), (54, 351656), (72, 263742), (108, 175828), (113, 168048), (144, 131871), (216, 87914), (226, 84024), (339, 56016), (389, 48816), (432, 43957), (452, 42012), (678, 28008), (778, 24408), (904, 21006), (1017, 18672), (1167, 16272), (1356, 14004), (1556, 12204), (1808, 10503), (2034, 9336), (2334, 8136), (2712, 7002), (3051, 6224), (3112, 6102), (3501, 5424), (4068, 4668)]