18348885

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5743}}^1$

素因数の和:5825

約数の個数: 24

約数和(自身を含む): 32258304

約数和(自身を除く): 13909419

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 5743, 17229, 28715, 51687, 86145, 258435, 407753, 1223259, 2038765, 3669777, 6116295, 18348885]

約数ペア:

[(1, 18348885), (3, 6116295), (5, 3669777), (9, 2038765), (15, 1223259), (45, 407753), (71, 258435), (213, 86145), (355, 51687), (639, 28715), (1065, 17229), (3195, 5743)]