19728912

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{827}}^1$

素因数の和:916

約数の個数: 80

約数和(自身を含む): 59139072

約数和(自身を除く): 39410160

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 71, 84, 112, 142, 168, 213, 284, 336, 426, 497, 568, 827, 852, 994, 1136, 1491, 1654, 1704, 1988, 2481, 2982, 3308, 3408, 3976, 4962, 5789, 5964, 6616, 7952, 9924, 11578, 11928, 13232, 17367, 19848, 23156, 23856, 34734, 39696, 46312, 58717, 69468, 92624, 117434, 138936, 176151, 234868, 277872, 352302, 411019, 469736, 704604, 822038, 939472, 1233057, 1409208, 1644076, 2466114, 2818416, 3288152, 4932228, 6576304, 9864456, 19728912]

約数ペア:

[(1, 19728912), (2, 9864456), (3, 6576304), (4, 4932228), (6, 3288152), (7, 2818416), (8, 2466114), (12, 1644076), (14, 1409208), (16, 1233057), (21, 939472), (24, 822038), (28, 704604), (42, 469736), (48, 411019), (56, 352302), (71, 277872), (84, 234868), (112, 176151), (142, 138936), (168, 117434), (213, 92624), (284, 69468), (336, 58717), (426, 46312), (497, 39696), (568, 34734), (827, 23856), (852, 23156), (994, 19848), (1136, 17367), (1491, 13232), (1654, 11928), (1704, 11578), (1988, 9924), (2481, 7952), (2982, 6616), (3308, 5964), (3408, 5789), (3976, 4962)]