18381888

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:169

約数の個数: 168

約数和(自身を含む): 62130432

約数和(自身を除く): 43748544

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 47, 48, 56, 63, 64, 72, 84, 94, 96, 97, 112, 126, 141, 144, 168, 188, 192, 194, 224, 252, 282, 288, 291, 329, 336, 376, 388, 423, 448, 504, 564, 576, 582, 658, 672, 679, 752, 776, 846, 873, 987, 1008, 1128, 1164, 1316, 1344, 1358, 1504, 1552, 1692, 1746, 1974, 2016, 2037, 2256, 2328, 2632, 2716, 2961, 3008, 3104, 3384, 3492, 3948, 4032, 4074, 4512, 4559, 4656, 5264, 5432, 5922, 6111, 6208, 6768, 6984, 7896, 8148, 9024, 9118, 9312, 10528, 10864, 11844, 12222, 13536, 13677, 13968, 15792, 16296, 18236, 18624, 21056, 21728, 23688, 24444, 27072, 27354, 27936, 31584, 31913, 32592, 36472, 41031, 43456, 47376, 48888, 54708, 55872, 63168, 63826, 65184, 72944, 82062, 94752, 95739, 97776, 109416, 127652, 130368, 145888, 164124, 189504, 191478, 195552, 218832, 255304, 287217, 291776, 328248, 382956, 391104, 437664, 510608, 574434, 656496, 765912, 875328, 1021216, 1148868, 1312992, 1531824, 2042432, 2297736, 2625984, 3063648, 4595472, 6127296, 9190944, 18381888]

約数ペア:

[(1, 18381888), (2, 9190944), (3, 6127296), (4, 4595472), (6, 3063648), (7, 2625984), (8, 2297736), (9, 2042432), (12, 1531824), (14, 1312992), (16, 1148868), (18, 1021216), (21, 875328), (24, 765912), (28, 656496), (32, 574434), (36, 510608), (42, 437664), (47, 391104), (48, 382956), (56, 328248), (63, 291776), (64, 287217), (72, 255304), (84, 218832), (94, 195552), (96, 191478), (97, 189504), (112, 164124), (126, 145888), (141, 130368), (144, 127652), (168, 109416), (188, 97776), (192, 95739), (194, 94752), (224, 82062), (252, 72944), (282, 65184), (288, 63826), (291, 63168), (329, 55872), (336, 54708), (376, 48888), (388, 47376), (423, 43456), (448, 41031), (504, 36472), (564, 32592), (576, 31913), (582, 31584), (658, 27936), (672, 27354), (679, 27072), (752, 24444), (776, 23688), (846, 21728), (873, 21056), (987, 18624), (1008, 18236), (1128, 16296), (1164, 15792), (1316, 13968), (1344, 13677), (1358, 13536), (1504, 12222), (1552, 11844), (1692, 10864), (1746, 10528), (1974, 9312), (2016, 9118), (2037, 9024), (2256, 8148), (2328, 7896), (2632, 6984), (2716, 6768), (2961, 6208), (3008, 6111), (3104, 5922), (3384, 5432), (3492, 5264), (3948, 4656), (4032, 4559), (4074, 4512)]