18525706

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{523}}^1$

素因数の和:813

約数の個数: 16

約数和(自身を含む): 28296000

約数和(自身を除く): 9770294

約数列:

[1, 2, 89, 178, 199, 398, 523, 1046, 17711, 35422, 46547, 93094, 104077, 208154, 9262853, 18525706]

約数ペア:

[(1, 18525706), (2, 9262853), (89, 208154), (178, 104077), (199, 93094), (398, 46547), (523, 35422), (1046, 17711)]