18511778

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{1231}}^1$

素因数の和:1409

約数の個数: 16

約数和(自身を含む): 28444416

約数和(自身を除く): 9932638

約数列:

[1, 2, 73, 103, 146, 206, 1231, 2462, 7519, 15038, 89863, 126793, 179726, 253586, 9255889, 18511778]

約数ペア:

[(1, 18511778), (2, 9255889), (73, 253586), (103, 179726), (146, 126793), (206, 89863), (1231, 15038), (2462, 7519)]