9981978

素因数分解:

$2^1\times 3^1\times {\mathrm{523}}^1\times {\mathrm{3181}}^1$

素因数の和:3709

約数の個数: 16

約数和(自身を含む): 20008416

約数和(自身を除く): 10026438

約数列:

[1, 2, 3, 6, 523, 1046, 1569, 3138, 3181, 6362, 9543, 19086, 1663663, 3327326, 4990989, 9981978]

約数ペア:

[(1, 9981978), (2, 4990989), (3, 3327326), (6, 1663663), (523, 19086), (1046, 9543), (1569, 6362), (3138, 3181)]