19480825

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8563}}^1$

素因数の和:8593

約数の個数: 24

約数和(自身を含む): 29734208

約数和(自身を除く): 10253383

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 2275, 8563, 42815, 59941, 111319, 214075, 299705, 556595, 779233, 1498525, 2782975, 3896165, 19480825]

約数ペア:

[(1, 19480825), (5, 3896165), (7, 2782975), (13, 1498525), (25, 779233), (35, 556595), (65, 299705), (91, 214075), (175, 111319), (325, 59941), (455, 42815), (2275, 8563)]