19103121

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{13873}}^1$

素因数の和:13902

約数の個数: 20

約数和(自身を含む): 30217572

約数和(自身を除く): 11114451

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 13873, 41619, 124857, 235841, 374571, 707523, 1123713, 2122569, 6367707, 19103121]

約数ペア:

[(1, 19103121), (3, 6367707), (9, 2122569), (17, 1123713), (27, 707523), (51, 374571), (81, 235841), (153, 124857), (459, 41619), (1377, 13873)]