19906809

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{467}}^1\times {\mathrm{1093}}^1$

素因数の和:1576

約数の個数: 16

約数和(自身を含む): 28671552

約数和(自身を除く): 8764743

約数列:

[1, 3, 13, 39, 467, 1093, 1401, 3279, 6071, 14209, 18213, 42627, 510431, 1531293, 6635603, 19906809]

約数ペア:

[(1, 19906809), (3, 6635603), (13, 1531293), (39, 510431), (467, 42627), (1093, 18213), (1401, 14209), (3279, 6071)]