18394893

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2617}}^1$

素因数の和:2705

約数の個数: 24

約数和(自身を含む): 29405376

約数和(自身を除く): 11010483

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 2343, 2617, 7029, 7851, 23553, 28787, 86361, 185807, 259083, 557421, 1672263, 2043877, 6131631, 18394893]

約数ペア:

[(1, 18394893), (3, 6131631), (9, 2043877), (11, 1672263), (33, 557421), (71, 259083), (99, 185807), (213, 86361), (639, 28787), (781, 23553), (2343, 7851), (2617, 7029)]