18679071

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{7621}}^1$

素因数の和:7686

約数の個数: 16

約数和(自身を含む): 26829440

約数和(自身を除く): 8150369

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 7621, 22863, 144799, 327703, 434397, 983109, 6226357, 18679071]

約数ペア:

[(1, 18679071), (3, 6226357), (19, 983109), (43, 434397), (57, 327703), (129, 144799), (817, 22863), (2451, 7621)]