19888419

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{1439}}^1$

素因数の和:1730

約数の個数: 16

約数和(自身を含む): 28200960

約数和(自身を除く): 8312541

約数列:

[1, 3, 17, 51, 271, 813, 1439, 4317, 4607, 13821, 24463, 73389, 389969, 1169907, 6629473, 19888419]

約数ペア:

[(1, 19888419), (3, 6629473), (17, 1169907), (51, 389969), (271, 73389), (813, 24463), (1439, 13821), (4317, 4607)]