19386650

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{20407}}^1$

素因数の和:20438

約数の個数: 24

約数和(自身を含む): 37958880

約数和(自身を除く): 18572230

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 20407, 40814, 102035, 204070, 387733, 510175, 775466, 1020350, 1938665, 3877330, 9693325, 19386650]

約数ペア:

[(1, 19386650), (2, 9693325), (5, 3877330), (10, 1938665), (19, 1020350), (25, 775466), (38, 510175), (50, 387733), (95, 204070), (190, 102035), (475, 40814), (950, 20407)]