19677681

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{13751}}^1$

素因数の和:13813

約数の個数: 16

約数和(自身を含む): 29704320

約数和(自身を除く): 10026639

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 13751, 41253, 123759, 371277, 728803, 2186409, 6559227, 19677681]

約数ペア:

[(1, 19677681), (3, 6559227), (9, 2186409), (27, 728803), (53, 371277), (159, 123759), (477, 41253), (1431, 13751)]