19839639

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{1061}}^1$

素因数の和:1358

約数の個数: 16

約数和(自身を含む): 27730944

約数和(自身を除く): 7891305

約数列:

[1, 3, 23, 69, 271, 813, 1061, 3183, 6233, 18699, 24403, 73209, 287531, 862593, 6613213, 19839639]

約数ペア:

[(1, 19839639), (3, 6613213), (23, 862593), (69, 287531), (271, 73209), (813, 24403), (1061, 18699), (3183, 6233)]