18889478

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{1531}}^1$

素因数の和:1763

約数の個数: 16

約数和(自身を含む): 29414400

約数和(自身を除く): 10524922

約数列:

[1, 2, 31, 62, 199, 398, 1531, 3062, 6169, 12338, 47461, 94922, 304669, 609338, 9444739, 18889478]

約数ペア:

[(1, 18889478), (2, 9444739), (31, 609338), (62, 304669), (199, 94922), (398, 47461), (1531, 12338), (3062, 6169)]