19830545

素因数分解:

$5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{373}}^1$

素因数の和:430

約数の個数: 32

約数和(自身を含む): 28723200

約数和(自身を除く): 8892655

約数列:

[1, 5, 7, 31, 35, 49, 155, 217, 245, 343, 373, 1085, 1519, 1715, 1865, 2611, 7595, 10633, 11563, 13055, 18277, 53165, 57815, 80941, 91385, 127939, 404705, 566587, 639695, 2832935, 3966109, 19830545]

約数ペア:

[(1, 19830545), (5, 3966109), (7, 2832935), (31, 639695), (35, 566587), (49, 404705), (155, 127939), (217, 91385), (245, 80941), (343, 57815), (373, 53165), (1085, 18277), (1519, 13055), (1715, 11563), (1865, 10633), (2611, 7595)]