18188947

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{2791}}^1$

素因数の和:2831

約数の個数: 16

約数和(自身を含む): 22336000

約数和(自身を除く): 4147053

約数列:

[1, 7, 19, 49, 133, 343, 931, 2791, 6517, 19537, 53029, 136759, 371203, 957313, 2598421, 18188947]

約数ペア:

[(1, 18188947), (7, 2598421), (19, 957313), (49, 371203), (133, 136759), (343, 53029), (931, 19537), (2791, 6517)]