19981053

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{13963}}^1$

素因数の和:14025

約数の個数: 16

約数和(自身を含む): 30162240

約数和(自身を除く): 10181187

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 13963, 41889, 125667, 377001, 740039, 2220117, 6660351, 19981053]

約数ペア:

[(1, 19981053), (3, 6660351), (9, 2220117), (27, 740039), (53, 377001), (159, 125667), (477, 41889), (1431, 13963)]