1800986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1153}}^1$

素因数の和:1237

約数の個数: 16

約数和(自身を含む): 2991168

約数和(自身を除く): 1190182

約数列:

[1, 2, 11, 22, 71, 142, 781, 1153, 1562, 2306, 12683, 25366, 81863, 163726, 900493, 1800986]

約数ペア:

[(1, 1800986), (2, 900493), (11, 163726), (22, 81863), (71, 25366), (142, 12683), (781, 2306), (1153, 1562)]