18781042

素因数分解:

$2^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{4987}}^1$

素因数の和:5265

約数の個数: 16

約数和(自身を含む): 32322240

約数和(自身を除く): 13541198

約数列:

[1, 2, 7, 14, 269, 538, 1883, 3766, 4987, 9974, 34909, 69818, 1341503, 2683006, 9390521, 18781042]

約数ペア:

[(1, 18781042), (2, 9390521), (7, 2683006), (14, 1341503), (269, 69818), (538, 34909), (1883, 9974), (3766, 4987)]