19635969

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1\times {\mathrm{739}}^1$

素因数の和:1280

約数の個数: 16

約数和(自身を含む): 27812160

約数和(自身を除く): 8176191

約数列:

[1, 3, 17, 51, 521, 739, 1563, 2217, 8857, 12563, 26571, 37689, 385019, 1155057, 6545323, 19635969]

約数ペア:

[(1, 19635969), (3, 6545323), (17, 1155057), (51, 385019), (521, 37689), (739, 26571), (1563, 12563), (2217, 8857)]