19629155

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{6163}}^1$

素因数の和:6195

約数の個数: 24

約数和(自身を含む): 29513232

約数和(自身を除く): 9884077

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 6163, 30815, 43141, 80119, 215705, 301987, 400595, 560833, 1509935, 2804165, 3925831, 19629155]

約数ペア:

[(1, 19629155), (5, 3925831), (7, 2804165), (13, 1509935), (35, 560833), (49, 400595), (65, 301987), (91, 215705), (245, 80119), (455, 43141), (637, 30815), (3185, 6163)]