20180793

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{727}}^1$

素因数の和:1236

約数の個数: 16

約数和(自身を含む): 28421120

約数和(自身を除く): 8240327

約数列:

[1, 3, 19, 57, 487, 727, 1461, 2181, 9253, 13813, 27759, 41439, 354049, 1062147, 6726931, 20180793]

約数ペア:

[(1, 20180793), (3, 6726931), (19, 1062147), (57, 354049), (487, 41439), (727, 27759), (1461, 13813), (2181, 9253)]