19723676

素因数分解:

$2^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{977}}^1$

素因数の和:1098

約数の個数: 36

約数和(自身を含む): 40583088

約数和(自身を除く): 20859412

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 103, 196, 206, 412, 721, 977, 1442, 1954, 2884, 3908, 5047, 6839, 10094, 13678, 20188, 27356, 47873, 95746, 100631, 191492, 201262, 402524, 704417, 1408834, 2817668, 4930919, 9861838, 19723676]

約数ペア:

[(1, 19723676), (2, 9861838), (4, 4930919), (7, 2817668), (14, 1408834), (28, 704417), (49, 402524), (98, 201262), (103, 191492), (196, 100631), (206, 95746), (412, 47873), (721, 27356), (977, 20188), (1442, 13678), (1954, 10094), (2884, 6839), (3908, 5047)]