18880974747

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{36805019}}^1$

素因数の和:36805047

約数の個数: 16

約数和(自身を含む): 29444016000

約数和(自身を除く): 10563041253

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 36805019, 110415057, 331245171, 699295361, 993735513, 2097886083, 6293658249, 18880974747]

約数ペア:

[(1, 18880974747), (3, 6293658249), (9, 2097886083), (19, 993735513), (27, 699295361), (57, 331245171), (171, 110415057), (513, 36805019)]