18172278

素因数分解:

$2^1\times 3^2\times {\mathrm{397}}^1\times {\mathrm{2543}}^1$

素因数の和:2948

約数の個数: 24

約数和(自身を含む): 39487968

約数和(自身を除く): 21315690

約数列:

[1, 2, 3, 6, 9, 18, 397, 794, 1191, 2382, 2543, 3573, 5086, 7146, 7629, 15258, 22887, 45774, 1009571, 2019142, 3028713, 6057426, 9086139, 18172278]

約数ペア:

[(1, 18172278), (2, 9086139), (3, 6057426), (6, 3028713), (9, 2019142), (18, 1009571), (397, 45774), (794, 22887), (1191, 15258), (2382, 7629), (2543, 7146), (3573, 5086)]