19856799

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43261}}^1$

素因数の和:43287

約数の個数: 16

約数和(自身を含む): 31148640

約数和(自身を除く): 11291841

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 43261, 129783, 389349, 735437, 1168047, 2206311, 6618933, 19856799]

約数ペア:

[(1, 19856799), (3, 6618933), (9, 2206311), (17, 1168047), (27, 735437), (51, 389349), (153, 129783), (459, 43261)]