19701597

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{541}}^1$

素因数の和:804

約数の個数: 16

約数和(自身を含む): 26883200

約数和(自身を除く): 7181603

約数列:

[1, 3, 61, 183, 199, 541, 597, 1623, 12139, 33001, 36417, 99003, 107659, 322977, 6567199, 19701597]

約数ペア:

[(1, 19701597), (3, 6567199), (61, 322977), (183, 107659), (199, 99003), (541, 36417), (597, 33001), (1623, 12139)]