19194545

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:496

約数の個数: 16

約数和(自身を含む): 23500800

約数和(自身を除く): 4306255

約数列:

[1, 5, 101, 191, 199, 505, 955, 995, 19291, 20099, 38009, 96455, 100495, 190045, 3838909, 19194545]

約数ペア:

[(1, 19194545), (5, 3838909), (101, 190045), (191, 100495), (199, 96455), (505, 38009), (955, 20099), (995, 19291)]