19665529

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{739}}^1$

素因数の和:864

約数の個数: 16

約数和(自身を含む): 22377600

約数和(自身を除く): 2712071

約数列:

[1, 13, 23, 89, 299, 739, 1157, 2047, 9607, 16997, 26611, 65771, 220961, 855023, 1512733, 19665529]

約数ペア:

[(1, 19665529), (13, 1512733), (23, 855023), (89, 220961), (299, 65771), (739, 26611), (1157, 16997), (2047, 9607)]