18971078

素因数分解:

$2^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{4021}}^1$

素因数の和:4367

約数の個数: 16

約数和(自身を含む): 32626464

約数和(自身を除く): 13655386

約数列:

[1, 2, 7, 14, 337, 674, 2359, 4021, 4718, 8042, 28147, 56294, 1355077, 2710154, 9485539, 18971078]

約数ペア:

[(1, 18971078), (2, 9485539), (7, 2710154), (14, 1355077), (337, 56294), (674, 28147), (2359, 8042), (4021, 4718)]