19957812

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{4027}}^1$

素因数の和:4100

約数の個数: 48

約数和(自身を含む): 54136320

約数和(自身を除く): 34178508

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 59, 84, 118, 177, 236, 354, 413, 708, 826, 1239, 1652, 2478, 4027, 4956, 8054, 12081, 16108, 24162, 28189, 48324, 56378, 84567, 112756, 169134, 237593, 338268, 475186, 712779, 950372, 1425558, 1663151, 2851116, 3326302, 4989453, 6652604, 9978906, 19957812]

約数ペア:

[(1, 19957812), (2, 9978906), (3, 6652604), (4, 4989453), (6, 3326302), (7, 2851116), (12, 1663151), (14, 1425558), (21, 950372), (28, 712779), (42, 475186), (59, 338268), (84, 237593), (118, 169134), (177, 112756), (236, 84567), (354, 56378), (413, 48324), (708, 28189), (826, 24162), (1239, 16108), (1652, 12081), (2478, 8054), (4027, 4956)]