19013455

素因数分解:

$5^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:498

約数の個数: 16

約数和(自身を含む): 23284800

約数和(自身を除く): 4271345

約数列:

[1, 5, 97, 197, 199, 485, 985, 995, 19109, 19303, 39203, 95545, 96515, 196015, 3802691, 19013455]

約数ペア:

[(1, 19013455), (5, 3802691), (97, 196015), (197, 96515), (199, 95545), (485, 39203), (985, 19303), (995, 19109)]