18670198

素因数分解:

$2^1\times {\mathrm{19}}^3\times {\mathrm{1361}}^1$

素因数の和:1420

約数の個数: 16

約数和(自身を含む): 29582640

約数和(自身を除く): 10912442

約数列:

[1, 2, 19, 38, 361, 722, 1361, 2722, 6859, 13718, 25859, 51718, 491321, 982642, 9335099, 18670198]

約数ペア:

[(1, 18670198), (2, 9335099), (19, 982642), (38, 491321), (361, 51718), (722, 25859), (1361, 13718), (2722, 6859)]