9991986

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{87649}}^1$

素因数の和:87673

約数の個数: 16

約数和(自身を含む): 21036000

約数和(自身を除く): 11044014

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 87649, 175298, 262947, 525894, 1665331, 3330662, 4995993, 9991986]

約数ペア:

[(1, 9991986), (2, 4995993), (3, 3330662), (6, 1665331), (19, 525894), (38, 262947), (57, 175298), (114, 87649)]