18857006

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{70891}}^1$

素因数の和:70919

約数の個数: 16

約数和(自身を含む): 34028160

約数和(自身を除く): 15171154

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 70891, 141782, 496237, 992474, 1346929, 2693858, 9428503, 18857006]

約数ペア:

[(1, 18857006), (2, 9428503), (7, 2693858), (14, 1346929), (19, 992474), (38, 496237), (133, 141782), (266, 70891)]