19499998

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{2633}}^1$

素因数の和:2688

約数の個数: 24

約数和(自身を含む): 34958448

約数和(自身を除く): 15458450

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 529, 1058, 2633, 3703, 5266, 7406, 18431, 36862, 60559, 121118, 423913, 847826, 1392857, 2785714, 9749999, 19499998]

約数ペア:

[(1, 19499998), (2, 9749999), (7, 2785714), (14, 1392857), (23, 847826), (46, 423913), (161, 121118), (322, 60559), (529, 36862), (1058, 18431), (2633, 7406), (3703, 5266)]