18808329

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{691}}^1$

素因数の和:948

約数の個数: 16

約数和(自身を含む): 25819904

約数和(自身を除く): 7011575

約数列:

[1, 3, 43, 129, 211, 633, 691, 2073, 9073, 27219, 29713, 89139, 145801, 437403, 6269443, 18808329]

約数ペア:

[(1, 18808329), (3, 6269443), (43, 437403), (129, 145801), (211, 89139), (633, 29713), (691, 27219), (2073, 9073)]