19081198

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{1087}}^1$

素因数の和:1287

約数の個数: 16

約数和(自身を含む): 29297664

約数和(自身を除く): 10216466

約数列:

[1, 2, 67, 131, 134, 262, 1087, 2174, 8777, 17554, 72829, 142397, 145658, 284794, 9540599, 19081198]

約数ペア:

[(1, 19081198), (2, 9540599), (67, 284794), (131, 145658), (134, 142397), (262, 72829), (1087, 17554), (2174, 8777)]