19220787

素因数分解:

$3^3\times {\mathrm{419}}^1\times {\mathrm{1699}}^1$

素因数の和:2127

約数の個数: 16

約数和(自身を含む): 28560000

約数和(自身を除く): 9339213

約数列:

[1, 3, 9, 27, 419, 1257, 1699, 3771, 5097, 11313, 15291, 45873, 711881, 2135643, 6406929, 19220787]

約数ペア:

[(1, 19220787), (3, 6406929), (9, 2135643), (27, 711881), (419, 45873), (1257, 15291), (1699, 11313), (3771, 5097)]