18820131

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{18397}}^1$

素因数の和:18442

約数の個数: 16

約数和(自身を含む): 28259328

約数和(自身を除く): 9439197

約数列:

[1, 3, 11, 31, 33, 93, 341, 1023, 18397, 55191, 202367, 570307, 607101, 1710921, 6273377, 18820131]

約数ペア:

[(1, 18820131), (3, 6273377), (11, 1710921), (31, 607101), (33, 570307), (93, 202367), (341, 55191), (1023, 18397)]