19166949

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{5503}}^1$

素因数の和:5558

約数の個数: 20

約数和(自身を含む): 29303296

約数和(自身を除く): 10136347

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 5503, 16509, 49527, 148581, 236629, 445743, 709887, 2129661, 6388983, 19166949]

約数ペア:

[(1, 19166949), (3, 6388983), (9, 2129661), (27, 709887), (43, 445743), (81, 236629), (129, 148581), (387, 49527), (1161, 16509), (3483, 5503)]