19845190

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{15149}}^1$

素因数の和:15287

約数の個数: 16

約数和(自身を含む): 35996400

約数和(自身を除く): 16151210

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 15149, 30298, 75745, 151490, 1984519, 3969038, 9922595, 19845190]

約数ペア:

[(1, 19845190), (2, 9922595), (5, 3969038), (10, 1984519), (131, 151490), (262, 75745), (655, 30298), (1310, 15149)]