18877917

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{6673}}^1$

素因数の和:6740

約数の個数: 16

約数和(自身を含む): 26909568

約数和(自身を除く): 8031651

約数列:

[1, 3, 23, 41, 69, 123, 943, 2829, 6673, 20019, 153479, 273593, 460437, 820779, 6292639, 18877917]

約数ペア:

[(1, 18877917), (3, 6292639), (23, 820779), (41, 460437), (69, 273593), (123, 153479), (943, 20019), (2829, 6673)]