19337276

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^2\times {\mathrm{137}}^1$

素因数の和:290

約数の個数: 36

約数和(自身を含む): 39513264

約数和(自身を除く): 20175988

約数列:

[1, 2, 4, 7, 14, 28, 71, 137, 142, 274, 284, 497, 548, 959, 994, 1918, 1988, 3836, 5041, 9727, 10082, 19454, 20164, 35287, 38908, 68089, 70574, 136178, 141148, 272356, 690617, 1381234, 2762468, 4834319, 9668638, 19337276]

約数ペア:

[(1, 19337276), (2, 9668638), (4, 4834319), (7, 2762468), (14, 1381234), (28, 690617), (71, 272356), (137, 141148), (142, 136178), (274, 70574), (284, 68089), (497, 38908), (548, 35287), (959, 20164), (994, 19454), (1918, 10082), (1988, 9727), (3836, 5041)]