18869667

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{1223}}^1$

素因数の和:1402

約数の個数: 16

約数和(自身を含む): 26046720

約数和(自身を除く): 7177053

約数列:

[1, 3, 37, 111, 139, 417, 1223, 3669, 5143, 15429, 45251, 135753, 169997, 509991, 6289889, 18869667]

約数ペア:

[(1, 18869667), (3, 6289889), (37, 509991), (111, 169997), (139, 135753), (417, 45251), (1223, 15429), (3669, 5143)]