18640941

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{8431}}^1$

素因数の和:8512

約数の個数: 16

約数和(自身を含む): 27522048

約数和(自身を除く): 8881107

約数列:

[1, 3, 11, 33, 67, 201, 737, 2211, 8431, 25293, 92741, 278223, 564877, 1694631, 6213647, 18640941]

約数ペア:

[(1, 18640941), (3, 6213647), (11, 1694631), (33, 564877), (67, 278223), (201, 92741), (737, 25293), (2211, 8431)]