18983993

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1933}}^1$

素因数の和:2024

約数の個数: 16

約数和(自身を含む): 23022336

約数和(自身を除く): 4038343

約数列:

[1, 7, 23, 61, 161, 427, 1403, 1933, 9821, 13531, 44459, 117913, 311213, 825391, 2711999, 18983993]

約数ペア:

[(1, 18983993), (7, 2711999), (23, 825391), (61, 311213), (161, 117913), (427, 44459), (1403, 13531), (1933, 9821)]