18189561

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{6569}}^1$

素因数の和:6656

約数の個数: 16

約数和(自身を含む): 26490240

約数和(自身を除く): 8300679

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 6569, 19707, 85397, 256191, 466399, 1399197, 6063187, 18189561]

約数ペア:

[(1, 18189561), (3, 6063187), (13, 1399197), (39, 466399), (71, 256191), (213, 85397), (923, 19707), (2769, 6569)]