19488268

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{4507}}^1$

素因数の和:4581

約数の個数: 24

約数和(自身を含む): 36352512

約数和(自身を除く): 16864244

約数列:

[1, 2, 4, 23, 46, 47, 92, 94, 188, 1081, 2162, 4324, 4507, 9014, 18028, 103661, 207322, 211829, 414644, 423658, 847316, 4872067, 9744134, 19488268]

約数ペア:

[(1, 19488268), (2, 9744134), (4, 4872067), (23, 847316), (46, 423658), (47, 414644), (92, 211829), (94, 207322), (188, 103661), (1081, 18028), (2162, 9014), (4324, 4507)]