19119035

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 26429760

約数和(自身を除く): 7310725

約数列:

[1, 5, 13, 19, 65, 95, 113, 137, 247, 565, 685, 1235, 1469, 1781, 2147, 2603, 7345, 8905, 10735, 13015, 15481, 27911, 33839, 77405, 139555, 169195, 201253, 294139, 1006265, 1470695, 3823807, 19119035]

約数ペア:

[(1, 19119035), (5, 3823807), (13, 1470695), (19, 1006265), (65, 294139), (95, 201253), (113, 169195), (137, 139555), (247, 77405), (565, 33839), (685, 27911), (1235, 15481), (1469, 13015), (1781, 10735), (2147, 8905), (2603, 7345)]