19107657

素因数分解:

$3^4\times {\mathrm{419}}^1\times {\mathrm{563}}^1$

素因数の和:994

約数の個数: 20

約数和(自身を含む): 28662480

約数和(自身を除く): 9554823

約数列:

[1, 3, 9, 27, 81, 419, 563, 1257, 1689, 3771, 5067, 11313, 15201, 33939, 45603, 235897, 707691, 2123073, 6369219, 19107657]

約数ペア:

[(1, 19107657), (3, 6369219), (9, 2123073), (27, 707691), (81, 235897), (419, 45603), (563, 33939), (1257, 15201), (1689, 11313), (3771, 5067)]