19211460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1609}}^1$

素因数の和:1820

約数の個数: 48

約数和(自身を含む): 54096000

約数和(自身を除く): 34884540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 199, 398, 597, 796, 995, 1194, 1609, 1990, 2388, 2985, 3218, 3980, 4827, 5970, 6436, 8045, 9654, 11940, 16090, 19308, 24135, 32180, 48270, 96540, 320191, 640382, 960573, 1280764, 1600955, 1921146, 3201910, 3842292, 4802865, 6403820, 9605730, 19211460]

約数ペア:

[(1, 19211460), (2, 9605730), (3, 6403820), (4, 4802865), (5, 3842292), (6, 3201910), (10, 1921146), (12, 1600955), (15, 1280764), (20, 960573), (30, 640382), (60, 320191), (199, 96540), (398, 48270), (597, 32180), (796, 24135), (995, 19308), (1194, 16090), (1609, 11940), (1990, 9654), (2388, 8045), (2985, 6436), (3218, 5970), (3980, 4827)]