19838601

素因数分解:

$3^4\times {\mathrm{257}}^1\times {\mathrm{953}}^1$

素因数の和:1222

約数の個数: 20

約数和(自身を含む): 29781972

約数和(自身を除く): 9943371

約数列:

[1, 3, 9, 27, 81, 257, 771, 953, 2313, 2859, 6939, 8577, 20817, 25731, 77193, 244921, 734763, 2204289, 6612867, 19838601]

約数ペア:

[(1, 19838601), (3, 6612867), (9, 2204289), (27, 734763), (81, 244921), (257, 77193), (771, 25731), (953, 20817), (2313, 8577), (2859, 6939)]