18902996

素因数分解:

$2^2\times 7^1\times {\mathrm{691}}^1\times {\mathrm{977}}^1$

素因数の和:1679

約数の個数: 24

約数和(自身を含む): 37899456

約数和(自身を除く): 18996460

約数列:

[1, 2, 4, 7, 14, 28, 691, 977, 1382, 1954, 2764, 3908, 4837, 6839, 9674, 13678, 19348, 27356, 675107, 1350214, 2700428, 4725749, 9451498, 18902996]

約数ペア:

[(1, 18902996), (2, 9451498), (4, 4725749), (7, 2700428), (14, 1350214), (28, 675107), (691, 27356), (977, 19348), (1382, 13678), (1954, 9674), (2764, 6839), (3908, 4837)]