19696521

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1399}}^1$

素因数の和:1453

約数の個数: 24

約数和(自身を含む): 29870400

約数和(自身を除く): 10173879

約数列:

[1, 3, 13, 19, 39, 57, 247, 361, 741, 1083, 1399, 4197, 4693, 14079, 18187, 26581, 54561, 79743, 345553, 505039, 1036659, 1515117, 6565507, 19696521]

約数ペア:

[(1, 19696521), (3, 6565507), (13, 1515117), (19, 1036659), (39, 505039), (57, 345553), (247, 79743), (361, 54561), (741, 26581), (1083, 18187), (1399, 14079), (4197, 4693)]