19383800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{5101}}^1$

素因数の和:5136

約数の個数: 48

約数和(自身を含む): 47448600

約数和(自身を除く): 28064800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 5101, 10202, 20404, 25505, 40808, 51010, 96919, 102020, 127525, 193838, 204040, 255050, 387676, 484595, 510100, 775352, 969190, 1020200, 1938380, 2422975, 3876760, 4845950, 9691900, 19383800]

約数ペア:

[(1, 19383800), (2, 9691900), (4, 4845950), (5, 3876760), (8, 2422975), (10, 1938380), (19, 1020200), (20, 969190), (25, 775352), (38, 510100), (40, 484595), (50, 387676), (76, 255050), (95, 204040), (100, 193838), (152, 127525), (190, 102020), (200, 96919), (380, 51010), (475, 40808), (760, 25505), (950, 20404), (1900, 10202), (3800, 5101)]