18858147

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{81637}}^1$

素因数の和:81658

約数の個数: 16

約数和(自身を含む): 31348992

約数和(自身を除く): 12490845

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 81637, 244911, 571459, 898007, 1714377, 2694021, 6286049, 18858147]

約数ペア:

[(1, 18858147), (3, 6286049), (7, 2694021), (11, 1714377), (21, 898007), (33, 571459), (77, 244911), (231, 81637)]