18816004

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{247579}}^1$

素因数の和:247602

約数の個数: 12

約数和(自身を含む): 34661200

約数和(自身を除く): 15845196

約数列:

[1, 2, 4, 19, 38, 76, 247579, 495158, 990316, 4704001, 9408002, 18816004]

約数ペア:

[(1, 18816004), (2, 9408002), (4, 4704001), (19, 990316), (38, 495158), (76, 247579)]