19046721

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:493

約数の個数: 24

約数和(自身を含む): 27492960

約数和(自身を除く): 8446239

約数列:

[1, 3, 19, 43, 57, 129, 361, 409, 817, 1083, 1227, 2451, 7771, 15523, 17587, 23313, 46569, 52761, 147649, 334153, 442947, 1002459, 6348907, 19046721]

約数ペア:

[(1, 19046721), (3, 6348907), (19, 1002459), (43, 442947), (57, 334153), (129, 147649), (361, 52761), (409, 46569), (817, 23313), (1083, 17587), (1227, 15523), (2451, 7771)]