19940754

素因数分解:

$2^1\times 3^1\times {\mathrm{521}}^1\times {\mathrm{6379}}^1$

素因数の和:6905

約数の個数: 16

約数和(自身を含む): 39964320

約数和(自身を除く): 20023566

約数列:

[1, 2, 3, 6, 521, 1042, 1563, 3126, 6379, 12758, 19137, 38274, 3323459, 6646918, 9970377, 19940754]

約数ペア:

[(1, 19940754), (2, 9970377), (3, 6646918), (6, 3323459), (521, 38274), (1042, 19137), (1563, 12758), (3126, 6379)]