19668028

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{2789}}^1$

素因数の和:2877

約数の個数: 24

約数和(自身を含む): 36091440

約数和(自身を除く): 16423412

約数列:

[1, 2, 4, 41, 43, 82, 86, 164, 172, 1763, 2789, 3526, 5578, 7052, 11156, 114349, 119927, 228698, 239854, 457396, 479708, 4917007, 9834014, 19668028]

約数ペア:

[(1, 19668028), (2, 9834014), (4, 4917007), (41, 479708), (43, 457396), (82, 239854), (86, 228698), (164, 119927), (172, 114349), (1763, 11156), (2789, 7052), (3526, 5578)]