18851078

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{1151}}^1$

素因数の和:1603

約数の個数: 16

約数和(自身を含む): 29859840

約数和(自身を除く): 11008762

約数列:

[1, 2, 19, 38, 431, 862, 1151, 2302, 8189, 16378, 21869, 43738, 496081, 992162, 9425539, 18851078]

約数ペア:

[(1, 18851078), (2, 9425539), (19, 992162), (38, 496081), (431, 43738), (862, 21869), (1151, 16378), (2302, 8189)]