19684743

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{683}}^1\times {\mathrm{739}}^1$

素因数の和:1438

約数の個数: 16

約数和(自身を含む): 28344960

約数和(自身を除く): 8660217

約数列:

[1, 3, 13, 39, 683, 739, 2049, 2217, 8879, 9607, 26637, 28821, 504737, 1514211, 6561581, 19684743]

約数ペア:

[(1, 19684743), (3, 6561581), (13, 1514211), (39, 504737), (683, 28821), (739, 26637), (2049, 9607), (2217, 8879)]