18954142

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{433}}^1\times {\mathrm{509}}^1$

素因数の和:987

約数の個数: 16

約数和(自身を含む): 29216880

約数和(自身を除く): 10262738

約数列:

[1, 2, 43, 86, 433, 509, 866, 1018, 18619, 21887, 37238, 43774, 220397, 440794, 9477071, 18954142]

約数ペア:

[(1, 18954142), (2, 9477071), (43, 440794), (86, 220397), (433, 43774), (509, 37238), (866, 21887), (1018, 18619)]