19611477

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{12743}}^1$

素因数の和:12774

約数の個数: 20

約数和(自身を含む): 30840480

約数和(自身を除く): 11229003

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 12743, 38229, 114687, 242117, 344061, 726351, 1032183, 2179053, 6537159, 19611477]

約数ペア:

[(1, 19611477), (3, 6537159), (9, 2179053), (19, 1032183), (27, 726351), (57, 344061), (81, 242117), (171, 114687), (513, 38229), (1539, 12743)]