19529289

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{55639}}^1$

素因数の和:55661

約数の個数: 16

約数和(自身を含む): 31158400

約数和(自身を除く): 11629111

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 55639, 166917, 500751, 723307, 1502253, 2169921, 6509763, 19529289]

約数ペア:

[(1, 19529289), (3, 6509763), (9, 2169921), (13, 1502253), (27, 723307), (39, 500751), (117, 166917), (351, 55639)]