19809031

素因数分解:

${\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{5281}}^1$

素因数の和:5334

約数の個数: 12

約数和(自身を含む): 22480192

約数和(自身を除く): 2671161

約数列:

[1, 11, 31, 121, 341, 3751, 5281, 58091, 163711, 639001, 1800821, 19809031]

約数ペア:

[(1, 19809031), (11, 1800821), (31, 639001), (121, 163711), (341, 58091), (3751, 5281)]