18836139

素因数分解:

$3^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{1321}}^1$

素因数の和:1435

約数の個数: 24

約数和(自身を含む): 29538768

約数和(自身を除く): 10702629

約数列:

[1, 3, 7, 21, 49, 97, 147, 291, 679, 1321, 2037, 3963, 4753, 9247, 14259, 27741, 64729, 128137, 194187, 384411, 896959, 2690877, 6278713, 18836139]

約数ペア:

[(1, 18836139), (3, 6278713), (7, 2690877), (21, 896959), (49, 384411), (97, 194187), (147, 128137), (291, 64729), (679, 27741), (1321, 14259), (2037, 9247), (3963, 4753)]