18720183

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{5119}}^1$

素因数の和:5198

約数の個数: 16

約数和(自身を含む): 26542080

約数和(自身を除く): 7821897

約数列:

[1, 3, 23, 53, 69, 159, 1219, 3657, 5119, 15357, 117737, 271307, 353211, 813921, 6240061, 18720183]

約数ペア:

[(1, 18720183), (3, 6240061), (23, 813921), (53, 353211), (69, 271307), (159, 117737), (1219, 15357), (3657, 5119)]