19120517

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:620

約数の個数: 16

約数和(自身を含む): 21840000

約数和(自身を除く): 2719483

約数列:

[1, 13, 19, 199, 247, 389, 2587, 3781, 5057, 7391, 49153, 77411, 96083, 1006343, 1470809, 19120517]

約数ペア:

[(1, 19120517), (13, 1470809), (19, 1006343), (199, 96083), (247, 77411), (389, 49153), (2587, 7391), (3781, 5057)]