19340289

素因数分解:

$3^4\times {\mathrm{113}}^1\times {\mathrm{2113}}^1$

素因数の和:2238

約数の個数: 20

約数和(自身を含む): 29160516

約数和(自身を除く): 9820227

約数列:

[1, 3, 9, 27, 81, 113, 339, 1017, 2113, 3051, 6339, 9153, 19017, 57051, 171153, 238769, 716307, 2148921, 6446763, 19340289]

約数ペア:

[(1, 19340289), (3, 6446763), (9, 2148921), (27, 716307), (81, 238769), (113, 171153), (339, 57051), (1017, 19017), (2113, 9153), (3051, 6339)]