19384680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1$

素因数の和:559

約数の個数: 128

約数和(自身を含む): 68014080

約数和(自身を除く): 48629400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 56, 60, 70, 84, 94, 105, 120, 140, 141, 168, 188, 210, 235, 280, 282, 329, 376, 420, 470, 491, 564, 658, 705, 840, 940, 982, 987, 1128, 1316, 1410, 1473, 1645, 1880, 1964, 1974, 2455, 2632, 2820, 2946, 3290, 3437, 3928, 3948, 4910, 4935, 5640, 5892, 6580, 6874, 7365, 7896, 9820, 9870, 10311, 11784, 13160, 13748, 14730, 17185, 19640, 19740, 20622, 23077, 27496, 29460, 34370, 39480, 41244, 46154, 51555, 58920, 68740, 69231, 82488, 92308, 103110, 115385, 137480, 138462, 161539, 184616, 206220, 230770, 276924, 323078, 346155, 412440, 461540, 484617, 553848, 646156, 692310, 807695, 923080, 969234, 1292312, 1384620, 1615390, 1938468, 2423085, 2769240, 3230780, 3876936, 4846170, 6461560, 9692340, 19384680]

約数ペア:

[(1, 19384680), (2, 9692340), (3, 6461560), (4, 4846170), (5, 3876936), (6, 3230780), (7, 2769240), (8, 2423085), (10, 1938468), (12, 1615390), (14, 1384620), (15, 1292312), (20, 969234), (21, 923080), (24, 807695), (28, 692310), (30, 646156), (35, 553848), (40, 484617), (42, 461540), (47, 412440), (56, 346155), (60, 323078), (70, 276924), (84, 230770), (94, 206220), (105, 184616), (120, 161539), (140, 138462), (141, 137480), (168, 115385), (188, 103110), (210, 92308), (235, 82488), (280, 69231), (282, 68740), (329, 58920), (376, 51555), (420, 46154), (470, 41244), (491, 39480), (564, 34370), (658, 29460), (705, 27496), (840, 23077), (940, 20622), (982, 19740), (987, 19640), (1128, 17185), (1316, 14730), (1410, 13748), (1473, 13160), (1645, 11784), (1880, 10311), (1964, 9870), (1974, 9820), (2455, 7896), (2632, 7365), (2820, 6874), (2946, 6580), (3290, 5892), (3437, 5640), (3928, 4935), (3948, 4910)]