18787365

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3187}}^1$

素因数の和:3329

約数の個数: 24

約数和(自身を含む): 32823648

約数和(自身を除く): 14036283

約数列:

[1, 3, 5, 9, 15, 45, 131, 393, 655, 1179, 1965, 3187, 5895, 9561, 15935, 28683, 47805, 143415, 417497, 1252491, 2087485, 3757473, 6262455, 18787365]

約数ペア:

[(1, 18787365), (3, 6262455), (5, 3757473), (9, 2087485), (15, 1252491), (45, 417497), (131, 143415), (393, 47805), (655, 28683), (1179, 15935), (1965, 9561), (3187, 5895)]