18905465089

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1\times {\mathrm{314813}}^1$

素因数の和:315216

約数の個数: 16

約数和(自身を含む): 22606163712

約数和(自身を除く): 3700698623

約数列:

[1, 7, 23, 161, 373, 2611, 8579, 60053, 314813, 2203691, 7240699, 50684893, 117425249, 821976743, 2700780727, 18905465089]

約数ペア:

[(1, 18905465089), (7, 2700780727), (23, 821976743), (161, 117425249), (373, 50684893), (2611, 7240699), (8579, 2203691), (60053, 314813)]