16919523

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{2347}}^1$

素因数の和:2448

約数の個数: 20

約数和(自身を含む): 25569720

約数和(自身を除く): 8650197

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2347, 2403, 7041, 7209, 21123, 63369, 190107, 208883, 626649, 1879947, 5639841, 16919523]

約数ペア:

[(1, 16919523), (3, 5639841), (9, 1879947), (27, 626649), (81, 208883), (89, 190107), (267, 63369), (801, 21123), (2347, 7209), (2403, 7041)]