19965117

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{1381}}^1$

素因数の和:1524

約数の個数: 16

約数和(自身を含む): 27418880

約数和(自身を除く): 7453763

約数列:

[1, 3, 61, 79, 183, 237, 1381, 4143, 4819, 14457, 84241, 109099, 252723, 327297, 6655039, 19965117]

約数ペア:

[(1, 19965117), (3, 6655039), (61, 327297), (79, 252723), (183, 109099), (237, 84241), (1381, 14457), (4143, 4819)]