18886154

素因数分解:

$2^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{4003}}^1$

素因数の和:4349

約数の個数: 16

約数和(自身を含む): 32480448

約数和(自身を除く): 13594294

約数列:

[1, 2, 7, 14, 337, 674, 2359, 4003, 4718, 8006, 28021, 56042, 1349011, 2698022, 9443077, 18886154]

約数ペア:

[(1, 18886154), (2, 9443077), (7, 2698022), (14, 1349011), (337, 56042), (674, 28021), (2359, 8006), (4003, 4718)]