17994984

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:159

約数の個数: 128

約数和(自身を含む): 54743040

約数和(自身を除く): 36748056

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 47, 53, 56, 84, 86, 94, 106, 129, 141, 159, 168, 172, 188, 212, 258, 282, 301, 318, 329, 344, 371, 376, 424, 516, 564, 602, 636, 658, 742, 903, 987, 1032, 1113, 1128, 1204, 1272, 1316, 1484, 1806, 1974, 2021, 2226, 2279, 2408, 2491, 2632, 2968, 3612, 3948, 4042, 4452, 4558, 4982, 6063, 6837, 7224, 7473, 7896, 8084, 8904, 9116, 9964, 12126, 13674, 14147, 14946, 15953, 16168, 17437, 18232, 19928, 24252, 27348, 28294, 29892, 31906, 34874, 42441, 47859, 48504, 52311, 54696, 56588, 59784, 63812, 69748, 84882, 95718, 104622, 107113, 113176, 127624, 139496, 169764, 191436, 209244, 214226, 321339, 339528, 382872, 418488, 428452, 642678, 749791, 856904, 1285356, 1499582, 2249373, 2570712, 2999164, 4498746, 5998328, 8997492, 17994984]

約数ペア:

[(1, 17994984), (2, 8997492), (3, 5998328), (4, 4498746), (6, 2999164), (7, 2570712), (8, 2249373), (12, 1499582), (14, 1285356), (21, 856904), (24, 749791), (28, 642678), (42, 428452), (43, 418488), (47, 382872), (53, 339528), (56, 321339), (84, 214226), (86, 209244), (94, 191436), (106, 169764), (129, 139496), (141, 127624), (159, 113176), (168, 107113), (172, 104622), (188, 95718), (212, 84882), (258, 69748), (282, 63812), (301, 59784), (318, 56588), (329, 54696), (344, 52311), (371, 48504), (376, 47859), (424, 42441), (516, 34874), (564, 31906), (602, 29892), (636, 28294), (658, 27348), (742, 24252), (903, 19928), (987, 18232), (1032, 17437), (1113, 16168), (1128, 15953), (1204, 14946), (1272, 14147), (1316, 13674), (1484, 12126), (1806, 9964), (1974, 9116), (2021, 8904), (2226, 8084), (2279, 7896), (2408, 7473), (2491, 7224), (2632, 6837), (2968, 6063), (3612, 4982), (3948, 4558), (4042, 4452)]