19945614

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{255713}}^1$

素因数の和:255731

約数の個数: 16

約数和(自身を含む): 42959952

約数和(自身を除く): 23014338

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 255713, 511426, 767139, 1534278, 3324269, 6648538, 9972807, 19945614]

約数ペア:

[(1, 19945614), (2, 9972807), (3, 6648538), (6, 3324269), (13, 1534278), (26, 767139), (39, 511426), (78, 255713)]