19438905

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{76231}}^1$

素因数の和:76256

約数の個数: 16

約数和(自身を含む): 32932224

約数和(自身を除く): 13493319

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 76231, 228693, 381155, 1143465, 1295927, 3887781, 6479635, 19438905]

約数ペア:

[(1, 19438905), (3, 6479635), (5, 3887781), (15, 1295927), (17, 1143465), (51, 381155), (85, 228693), (255, 76231)]