1668352418

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{222863}}^1$

素因数の和:223081

約数の個数: 16

約数和(自身を含む): 2647624320

約数和(自身を除く): 979271902

約数列:

[1, 2, 19, 38, 197, 394, 3743, 7486, 222863, 445726, 4234397, 8468794, 43904011, 87808022, 834176209, 1668352418]

約数ペア:

[(1, 1668352418), (2, 834176209), (19, 87808022), (38, 43904011), (197, 8468794), (394, 4234397), (3743, 445726), (7486, 222863)]