19618732

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{653}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 41751360

約数和(自身を除く): 22132628

約数列:

[1, 2, 4, 7, 14, 28, 29, 37, 58, 74, 116, 148, 203, 259, 406, 518, 653, 812, 1036, 1073, 1306, 2146, 2612, 4292, 4571, 7511, 9142, 15022, 18284, 18937, 24161, 30044, 37874, 48322, 75748, 96644, 132559, 169127, 265118, 338254, 530236, 676508, 700669, 1401338, 2802676, 4904683, 9809366, 19618732]

約数ペア:

[(1, 19618732), (2, 9809366), (4, 4904683), (7, 2802676), (14, 1401338), (28, 700669), (29, 676508), (37, 530236), (58, 338254), (74, 265118), (116, 169127), (148, 132559), (203, 96644), (259, 75748), (406, 48322), (518, 37874), (653, 30044), (812, 24161), (1036, 18937), (1073, 18284), (1306, 15022), (2146, 9142), (2612, 7511), (4292, 4571)]