19897527

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{13789}}^1$

素因数の和:13842

約数の個数: 16

約数和(自身を含む): 29345120

約数和(自身を除く): 9447593

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 13789, 41367, 179257, 510193, 537771, 1530579, 6632509, 19897527]

約数ペア:

[(1, 19897527), (3, 6632509), (13, 1530579), (37, 537771), (39, 510193), (111, 179257), (481, 41367), (1443, 13789)]