19803589

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:217

約数の個数: 24

約数和(自身を含む): 23281992

約数和(自身を除く): 3478403

約数列:

[1, 13, 17, 61, 113, 169, 221, 793, 1037, 1469, 1921, 2873, 6893, 10309, 13481, 19097, 24973, 89609, 117181, 175253, 324649, 1164917, 1523353, 19803589]

約数ペア:

[(1, 19803589), (13, 1523353), (17, 1164917), (61, 324649), (113, 175253), (169, 117181), (221, 89609), (793, 24973), (1037, 19097), (1469, 13481), (1921, 10309), (2873, 6893)]