18642029

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1301}}^1$

素因数の和:1420

約数の個数: 16

約数和(自身を含む): 22498560

約数和(自身を除く): 3856531

約数列:

[1, 7, 23, 89, 161, 623, 1301, 2047, 9107, 14329, 29923, 115789, 209461, 810523, 2663147, 18642029]

約数ペア:

[(1, 18642029), (7, 2663147), (23, 810523), (89, 209461), (161, 115789), (623, 29923), (1301, 14329), (2047, 9107)]