18654188

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21491}}^1$

素因数の和:21533

約数の個数: 24

約数和(自身を含む): 38513664

約数和(自身を除く): 19859476

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 21491, 42982, 85964, 150437, 300874, 601748, 666221, 1332442, 2664884, 4663547, 9327094, 18654188]

約数ペア:

[(1, 18654188), (2, 9327094), (4, 4663547), (7, 2664884), (14, 1332442), (28, 666221), (31, 601748), (62, 300874), (124, 150437), (217, 85964), (434, 42982), (868, 21491)]