18930791

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{241}}^1$

素因数の和:482

約数の個数: 16

約数和(自身を含む): 21408288

約数和(自身を除く): 2477497

約数列:

[1, 11, 37, 193, 241, 407, 2123, 2651, 7141, 8917, 46513, 78551, 98087, 511643, 1720981, 18930791]

約数ペア:

[(1, 18930791), (11, 1720981), (37, 511643), (193, 98087), (241, 78551), (407, 46513), (2123, 8917), (2651, 7141)]