19388997

素因数分解:

$3^3\times {\mathrm{251}}^1\times {\mathrm{2861}}^1$

素因数の和:3121

約数の個数: 16

約数和(自身を含む): 28848960

約数和(自身を除く): 9459963

約数列:

[1, 3, 9, 27, 251, 753, 2259, 2861, 6777, 8583, 25749, 77247, 718111, 2154333, 6462999, 19388997]

約数ペア:

[(1, 19388997), (3, 6462999), (9, 2154333), (27, 718111), (251, 77247), (753, 25749), (2259, 8583), (2861, 6777)]