19763631

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:431

約数の個数: 24

約数和(自身を含む): 29281824

約数和(自身を除く): 9518193

約数列:

[1, 3, 9, 71, 157, 197, 213, 471, 591, 639, 1413, 1773, 11147, 13987, 30929, 33441, 41961, 92787, 100323, 125883, 278361, 2195959, 6587877, 19763631]

約数ペア:

[(1, 19763631), (3, 6587877), (9, 2195959), (71, 278361), (157, 125883), (197, 100323), (213, 92787), (471, 41961), (591, 33441), (639, 30929), (1413, 13987), (1773, 11147)]