18587266

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{9397}}^1$

素因数の和:9465

約数の個数: 16

約数和(自身を含む): 29772864

約数和(自身を除く): 11185598

約数列:

[1, 2, 23, 43, 46, 86, 989, 1978, 9397, 18794, 216131, 404071, 432262, 808142, 9293633, 18587266]

約数ペア:

[(1, 18587266), (2, 9293633), (23, 808142), (43, 432262), (46, 404071), (86, 216131), (989, 18794), (1978, 9397)]