19812117

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{26737}}^1$

素因数の和:26772

約数の個数: 16

約数和(自身を含む): 29946560

約数和(自身を除く): 10134443

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 26737, 80211, 347581, 508003, 1042743, 1524009, 6604039, 19812117]

約数ペア:

[(1, 19812117), (3, 6604039), (13, 1524009), (19, 1042743), (39, 508003), (57, 347581), (247, 80211), (741, 26737)]