18825715

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{919}}^1$

素因数の和:1182

約数の個数: 16

約数和(自身を含む): 24045120

約数和(自身を除く): 5219405

約数列:

[1, 5, 17, 85, 241, 919, 1205, 4097, 4595, 15623, 20485, 78115, 221479, 1107395, 3765143, 18825715]

約数ペア:

[(1, 18825715), (5, 3765143), (17, 1107395), (85, 221479), (241, 78115), (919, 20485), (1205, 15623), (4097, 4595)]