19817415

素因数分解:

$3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2213}}^1$

素因数の和:2423

約数の個数: 24

約数和(自身を含む): 34538400

約数和(自身を除く): 14720985

約数列:

[1, 3, 5, 9, 15, 45, 199, 597, 995, 1791, 2213, 2985, 6639, 8955, 11065, 19917, 33195, 99585, 440387, 1321161, 2201935, 3963483, 6605805, 19817415]

約数ペア:

[(1, 19817415), (3, 6605805), (5, 3963483), (9, 2201935), (15, 1321161), (45, 440387), (199, 99585), (597, 33195), (995, 19917), (1791, 11065), (2213, 8955), (2985, 6639)]