18719673

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{7019}}^1$

素因数の和:7156

約数の個数: 16

約数和(自身を含む): 28753920

約数和(自身を除く): 10034247

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 7019, 21057, 49133, 147399, 891413, 2674239, 6239891, 18719673]

約数ペア:

[(1, 18719673), (3, 6239891), (7, 2674239), (21, 891413), (127, 147399), (381, 49133), (889, 21057), (2667, 7019)]