19939932

素因数分解:

$2^2\times 3^4\times {\mathrm{61543}}^1$

素因数の和:61559

約数の個数: 30

約数和(自身を含む): 52127768

約数和(自身を除く): 32187836

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 61543, 123086, 184629, 246172, 369258, 553887, 738516, 1107774, 1661661, 2215548, 3323322, 4984983, 6646644, 9969966, 19939932]

約数ペア:

[(1, 19939932), (2, 9969966), (3, 6646644), (4, 4984983), (6, 3323322), (9, 2215548), (12, 1661661), (18, 1107774), (27, 738516), (36, 553887), (54, 369258), (81, 246172), (108, 184629), (162, 123086), (324, 61543)]