19707831

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{15313}}^1$

素因数の和:15343

約数の個数: 24

約数和(自身を含む): 33445776

約数和(自身を除く): 13737945

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 15313, 45939, 137817, 168443, 199069, 505329, 597207, 1515987, 1791621, 2189759, 6569277, 19707831]

約数ペア:

[(1, 19707831), (3, 6569277), (9, 2189759), (11, 1791621), (13, 1515987), (33, 597207), (39, 505329), (99, 199069), (117, 168443), (143, 137817), (429, 45939), (1287, 15313)]