19863441

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{56591}}^1$

素因数の和:56613

約数の個数: 16

約数和(自身を含む): 31691520

約数和(自身を除く): 11828079

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 56591, 169773, 509319, 735683, 1527957, 2207049, 6621147, 19863441]

約数ペア:

[(1, 19863441), (3, 6621147), (9, 2207049), (13, 1527957), (27, 735683), (39, 509319), (117, 169773), (351, 56591)]