19956368

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{73369}}^1$

素因数の和:73394

約数の個数: 20

約数和(自身を含む): 40940460

約数和(自身を除く): 20984092

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 73369, 146738, 293476, 586952, 1173904, 1247273, 2494546, 4989092, 9978184, 19956368]

約数ペア:

[(1, 19956368), (2, 9978184), (4, 4989092), (8, 2494546), (16, 1247273), (17, 1173904), (34, 586952), (68, 293476), (136, 146738), (272, 73369)]