19494891

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{55541}}^1$

素因数の和:55563

約数の個数: 16

約数和(自身を含む): 31103520

約数和(自身を除く): 11608629

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 55541, 166623, 499869, 722033, 1499607, 2166099, 6498297, 19494891]

約数ペア:

[(1, 19494891), (3, 6498297), (9, 2166099), (13, 1499607), (27, 722033), (39, 499869), (117, 166623), (351, 55541)]