19681368

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{607}}^1$

素因数の和:816

約数の個数: 64

約数和(自身を含む): 56616960

約数和(自身を除く): 36935592

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 193, 386, 579, 607, 772, 1158, 1214, 1351, 1544, 1821, 2316, 2428, 2702, 3642, 4053, 4249, 4632, 4856, 5404, 7284, 8106, 8498, 10808, 12747, 14568, 16212, 16996, 25494, 32424, 33992, 50988, 101976, 117151, 234302, 351453, 468604, 702906, 820057, 937208, 1405812, 1640114, 2460171, 2811624, 3280228, 4920342, 6560456, 9840684, 19681368]

約数ペア:

[(1, 19681368), (2, 9840684), (3, 6560456), (4, 4920342), (6, 3280228), (7, 2811624), (8, 2460171), (12, 1640114), (14, 1405812), (21, 937208), (24, 820057), (28, 702906), (42, 468604), (56, 351453), (84, 234302), (168, 117151), (193, 101976), (386, 50988), (579, 33992), (607, 32424), (772, 25494), (1158, 16996), (1214, 16212), (1351, 14568), (1544, 12747), (1821, 10808), (2316, 8498), (2428, 8106), (2702, 7284), (3642, 5404), (4053, 4856), (4249, 4632)]