17993521

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8597}}^1$

素因数の和:8640

約数の個数: 16

約数和(自身を含む): 23111424

約数和(自身を除く): 5117903

約数列:

[1, 7, 13, 23, 91, 161, 299, 2093, 8597, 60179, 111761, 197731, 782327, 1384117, 2570503, 17993521]

約数ペア:

[(1, 17993521), (7, 2570503), (13, 1384117), (23, 782327), (91, 197731), (161, 111761), (299, 60179), (2093, 8597)]