18402561

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{929}}^1$

素因数の和:1037

約数の個数: 24

約数和(自身を含む): 27855360

約数和(自身を除く): 9452799

約数列:

[1, 3, 9, 31, 71, 93, 213, 279, 639, 929, 2201, 2787, 6603, 8361, 19809, 28799, 65959, 86397, 197877, 259191, 593631, 2044729, 6134187, 18402561]

約数ペア:

[(1, 18402561), (3, 6134187), (9, 2044729), (31, 593631), (71, 259191), (93, 197877), (213, 86397), (279, 65959), (639, 28799), (929, 19809), (2201, 8361), (2787, 6603)]