19352620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1009}}^1$

素因数の和:1162

約数の個数: 48

約数和(自身を含む): 46831680

約数和(自身を除く): 27479060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1009, 1370, 1918, 2018, 2740, 3836, 4036, 4795, 5045, 7063, 9590, 10090, 14126, 19180, 20180, 28252, 35315, 70630, 138233, 141260, 276466, 552932, 691165, 967631, 1382330, 1935262, 2764660, 3870524, 4838155, 9676310, 19352620]

約数ペア:

[(1, 19352620), (2, 9676310), (4, 4838155), (5, 3870524), (7, 2764660), (10, 1935262), (14, 1382330), (20, 967631), (28, 691165), (35, 552932), (70, 276466), (137, 141260), (140, 138233), (274, 70630), (548, 35315), (685, 28252), (959, 20180), (1009, 19180), (1370, 14126), (1918, 10090), (2018, 9590), (2740, 7063), (3836, 5045), (4036, 4795)]