19915929

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{67057}}^1$

素因数の和:67077

約数の個数: 16

約数和(自身を含む): 32187840

約数和(自身を除く): 12271911

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 67057, 201171, 603513, 737627, 1810539, 2212881, 6638643, 19915929]

約数ペア:

[(1, 19915929), (3, 6638643), (9, 2212881), (11, 1810539), (27, 737627), (33, 603513), (99, 201171), (297, 67057)]