19391237

素因数分解:

${\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:748

約数の個数: 16

約数和(自身を含む): 21555072

約数和(自身を除く): 2163835

約数列:

[1, 17, 41, 43, 647, 697, 731, 1763, 10999, 26527, 27821, 29971, 450959, 472957, 1140661, 19391237]

約数ペア:

[(1, 19391237), (17, 1140661), (41, 472957), (43, 450959), (647, 29971), (697, 27821), (731, 26527), (1763, 10999)]