19801554

素因数分解:

$2^1\times 3^1\times {\mathrm{607}}^1\times {\mathrm{5437}}^1$

素因数の和:6049

約数の個数: 16

約数和(自身を含む): 39675648

約数和(自身を除く): 19874094

約数列:

[1, 2, 3, 6, 607, 1214, 1821, 3642, 5437, 10874, 16311, 32622, 3300259, 6600518, 9900777, 19801554]

約数ペア:

[(1, 19801554), (2, 9900777), (3, 6600518), (6, 3300259), (607, 32622), (1214, 16311), (1821, 10874), (3642, 5437)]