18681237

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1021}}^1$

素因数の和:1153

約数の個数: 24

約数和(自身を含む): 28697760

約数和(自身を除く): 10016523

約数列:

[1, 3, 9, 19, 57, 107, 171, 321, 963, 1021, 2033, 3063, 6099, 9189, 18297, 19399, 58197, 109247, 174591, 327741, 983223, 2075693, 6227079, 18681237]

約数ペア:

[(1, 18681237), (3, 6227079), (9, 2075693), (19, 983223), (57, 327741), (107, 174591), (171, 109247), (321, 58197), (963, 19399), (1021, 18297), (2033, 9189), (3063, 6099)]