18910287

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{63671}}^1$

素因数の和:63691

約数の個数: 16

約数和(自身を含む): 30562560

約数和(自身を除く): 11652273

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 63671, 191013, 573039, 700381, 1719117, 2101143, 6303429, 18910287]

約数ペア:

[(1, 18910287), (3, 6303429), (9, 2101143), (11, 1719117), (27, 700381), (33, 573039), (99, 191013), (297, 63671)]