19481650

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{20507}}^1$

素因数の和:20538

約数の個数: 24

約数和(自身を含む): 38144880

約数和(自身を除く): 18663230

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 20507, 41014, 102535, 205070, 389633, 512675, 779266, 1025350, 1948165, 3896330, 9740825, 19481650]

約数ペア:

[(1, 19481650), (2, 9740825), (5, 3896330), (10, 1948165), (19, 1025350), (25, 779266), (38, 512675), (50, 389633), (95, 205070), (190, 102535), (475, 41014), (950, 20507)]