19690749

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{56099}}^1$

素因数の和:56121

約数の個数: 16

約数和(自身を含む): 31416000

約数和(自身を除く): 11725251

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 56099, 168297, 504891, 729287, 1514673, 2187861, 6563583, 19690749]

約数ペア:

[(1, 19690749), (3, 6563583), (9, 2187861), (13, 1514673), (27, 729287), (39, 504891), (117, 168297), (351, 56099)]