19256121

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{991}}^1$

素因数の和:1141

約数の個数: 24

約数和(自身を含む): 29712384

約数和(自身を除く): 10456263

約数列:

[1, 3, 9, 17, 51, 127, 153, 381, 991, 1143, 2159, 2973, 6477, 8919, 16847, 19431, 50541, 125857, 151623, 377571, 1132713, 2139569, 6418707, 19256121]

約数ペア:

[(1, 19256121), (3, 6418707), (9, 2139569), (17, 1132713), (51, 377571), (127, 151623), (153, 125857), (381, 50541), (991, 19431), (1143, 16847), (2159, 8919), (2973, 6477)]