18616612

素因数分解:

$2^2\times 7^1\times {\mathrm{664879}}^1$

素因数の和:664890

約数の個数: 12

約数和(自身を含む): 37233280

約数和(自身を除く): 18616668

約数列:

[1, 2, 4, 7, 14, 28, 664879, 1329758, 2659516, 4654153, 9308306, 18616612]

約数ペア:

[(1, 18616612), (2, 9308306), (4, 4654153), (7, 2659516), (14, 1329758), (28, 664879)]