18860897

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{587}}^1$

素因数の和:748

約数の個数: 16

約数和(自身を含む): 21676032

約数和(自身を除く): 2815135

約数列:

[1, 11, 23, 127, 253, 587, 1397, 2921, 6457, 13501, 32131, 74549, 148511, 820039, 1714627, 18860897]

約数ペア:

[(1, 18860897), (11, 1714627), (23, 820039), (127, 148511), (253, 74549), (587, 32131), (1397, 13501), (2921, 6457)]