18186971

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{503}}^1$

素因数の和:706

約数の個数: 16

約数和(自身を含む): 21047040

約数和(自身を除く): 2860069

約数列:

[1, 11, 19, 173, 209, 503, 1903, 3287, 5533, 9557, 36157, 87019, 105127, 957209, 1653361, 18186971]

約数ペア:

[(1, 18186971), (11, 1653361), (19, 957209), (173, 105127), (209, 87019), (503, 36157), (1903, 9557), (3287, 5533)]