19428710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{641}}^1$

素因数の和:1088

約数の個数: 32

約数和(自身を含む): 40122432

約数和(自身を除く): 20693722

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 433, 641, 866, 1282, 2165, 3031, 3205, 4330, 4487, 6062, 6410, 8974, 15155, 22435, 30310, 44870, 277553, 555106, 1387765, 1942871, 2775530, 3885742, 9714355, 19428710]

約数ペア:

[(1, 19428710), (2, 9714355), (5, 3885742), (7, 2775530), (10, 1942871), (14, 1387765), (35, 555106), (70, 277553), (433, 44870), (641, 30310), (866, 22435), (1282, 15155), (2165, 8974), (3031, 6410), (3205, 6062), (4330, 4487)]