19940667

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{1511}}^1$

素因数の和:1650

約数の個数: 16

約数和(自身を含む): 27433728

約数和(自身を除く): 7493061

約数列:

[1, 3, 53, 83, 159, 249, 1511, 4399, 4533, 13197, 80083, 125413, 240249, 376239, 6646889, 19940667]

約数ペア:

[(1, 19940667), (3, 6646889), (53, 376239), (83, 240249), (159, 125413), (249, 80083), (1511, 13197), (4399, 4533)]