19392205

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 27998208

約数和(自身を除く): 8606003

約数列:

[1, 5, 7, 31, 35, 61, 155, 217, 293, 305, 427, 1085, 1465, 1891, 2051, 2135, 9083, 9455, 10255, 13237, 17873, 45415, 63581, 66185, 89365, 125111, 317905, 554063, 625555, 2770315, 3878441, 19392205]

約数ペア:

[(1, 19392205), (5, 3878441), (7, 2770315), (31, 625555), (35, 554063), (61, 317905), (155, 125111), (217, 89365), (293, 66185), (305, 63581), (427, 45415), (1085, 17873), (1465, 13237), (1891, 10255), (2051, 9455), (2135, 9083)]