18204228

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:146

約数の個数: 144

約数和(自身を含む): 56609280

約数和(自身を除く): 38405052

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 47, 53, 58, 63, 84, 87, 94, 106, 116, 126, 141, 159, 174, 188, 203, 212, 252, 261, 282, 318, 329, 348, 371, 406, 423, 477, 522, 564, 609, 636, 658, 742, 812, 846, 954, 987, 1044, 1113, 1218, 1316, 1363, 1484, 1537, 1692, 1827, 1908, 1974, 2226, 2436, 2491, 2726, 2961, 3074, 3339, 3654, 3948, 4089, 4452, 4611, 4982, 5452, 5922, 6148, 6678, 7308, 7473, 8178, 9222, 9541, 9964, 10759, 11844, 12267, 13356, 13833, 14946, 16356, 17437, 18444, 19082, 21518, 22419, 24534, 27666, 28623, 29892, 32277, 34874, 38164, 43036, 44838, 49068, 52311, 55332, 57246, 64554, 69748, 72239, 85869, 89676, 96831, 104622, 114492, 129108, 144478, 156933, 171738, 193662, 209244, 216717, 288956, 313866, 343476, 387324, 433434, 505673, 627732, 650151, 866868, 1011346, 1300302, 1517019, 2022692, 2600604, 3034038, 4551057, 6068076, 9102114, 18204228]

約数ペア:

[(1, 18204228), (2, 9102114), (3, 6068076), (4, 4551057), (6, 3034038), (7, 2600604), (9, 2022692), (12, 1517019), (14, 1300302), (18, 1011346), (21, 866868), (28, 650151), (29, 627732), (36, 505673), (42, 433434), (47, 387324), (53, 343476), (58, 313866), (63, 288956), (84, 216717), (87, 209244), (94, 193662), (106, 171738), (116, 156933), (126, 144478), (141, 129108), (159, 114492), (174, 104622), (188, 96831), (203, 89676), (212, 85869), (252, 72239), (261, 69748), (282, 64554), (318, 57246), (329, 55332), (348, 52311), (371, 49068), (406, 44838), (423, 43036), (477, 38164), (522, 34874), (564, 32277), (609, 29892), (636, 28623), (658, 27666), (742, 24534), (812, 22419), (846, 21518), (954, 19082), (987, 18444), (1044, 17437), (1113, 16356), (1218, 14946), (1316, 13833), (1363, 13356), (1484, 12267), (1537, 11844), (1692, 10759), (1827, 9964), (1908, 9541), (1974, 9222), (2226, 8178), (2436, 7473), (2491, 7308), (2726, 6678), (2961, 6148), (3074, 5922), (3339, 5452), (3654, 4982), (3948, 4611), (4089, 4452)]