19891929

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{3761}}^1$

素因数の和:3848

約数の個数: 16

約数和(自身を含む): 27808704

約数和(自身を除く): 7916775

約数列:

[1, 3, 41, 43, 123, 129, 1763, 3761, 5289, 11283, 154201, 161723, 462603, 485169, 6630643, 19891929]

約数ペア:

[(1, 19891929), (3, 6630643), (41, 485169), (43, 462603), (123, 161723), (129, 154201), (1763, 11283), (3761, 5289)]