17993843

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1531}}^1$

素因数の和:1634

約数の個数: 16

約数和(自身を含む): 21766656

約数和(自身を除く): 3772813

約数列:

[1, 7, 23, 73, 161, 511, 1531, 1679, 10717, 11753, 35213, 111763, 246491, 782341, 2570549, 17993843]

約数ペア:

[(1, 17993843), (7, 2570549), (23, 782341), (73, 246491), (161, 111763), (511, 35213), (1531, 11753), (1679, 10717)]