18154804

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{238879}}^1$

素因数の和:238902

約数の個数: 12

約数和(自身を含む): 33443200

約数和(自身を除く): 15288396

約数列:

[1, 2, 4, 19, 38, 76, 238879, 477758, 955516, 4538701, 9077402, 18154804]

約数ペア:

[(1, 18154804), (2, 9077402), (4, 4538701), (19, 955516), (38, 477758), (76, 238879)]