19080740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1867}}^1$

素因数の和:1956

約数の個数: 48

約数和(自身を含む): 46445952

約数和(自身を除く): 27365212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 1867, 2044, 2555, 3734, 5110, 7468, 9335, 10220, 13069, 18670, 26138, 37340, 52276, 65345, 130690, 136291, 261380, 272582, 545164, 681455, 954037, 1362910, 1908074, 2725820, 3816148, 4770185, 9540370, 19080740]

約数ペア:

[(1, 19080740), (2, 9540370), (4, 4770185), (5, 3816148), (7, 2725820), (10, 1908074), (14, 1362910), (20, 954037), (28, 681455), (35, 545164), (70, 272582), (73, 261380), (140, 136291), (146, 130690), (292, 65345), (365, 52276), (511, 37340), (730, 26138), (1022, 18670), (1460, 13069), (1867, 10220), (2044, 9335), (2555, 7468), (3734, 5110)]