18941689

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:409

約数の個数: 24

約数和(自身を含む): 22926240

約数和(自身を除く): 3984551

約数列:

[1, 13, 17, 19, 169, 221, 247, 323, 347, 2873, 3211, 4199, 4511, 5899, 6593, 54587, 58643, 76687, 85709, 112081, 996931, 1114217, 1457053, 18941689]

約数ペア:

[(1, 18941689), (13, 1457053), (17, 1114217), (19, 996931), (169, 112081), (221, 85709), (247, 76687), (323, 58643), (347, 54587), (2873, 6593), (3211, 5899), (4199, 4511)]