19331683

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{761}}^1$

素因数の和:978

約数の個数: 16

約数和(自身を含む): 23408640

約数和(自身を除く): 4076957

約数列:

[1, 7, 19, 133, 191, 761, 1337, 3629, 5327, 14459, 25403, 101213, 145351, 1017457, 2761669, 19331683]

約数ペア:

[(1, 19331683), (7, 2761669), (19, 1017457), (133, 145351), (191, 101213), (761, 25403), (1337, 14459), (3629, 5327)]