19108740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{45497}}^1$

素因数の和:45516

約数の個数: 48

約数和(自身を含む): 61149312

約数和(自身を除く): 42040572

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 45497, 90994, 136491, 181988, 227485, 272982, 318479, 454970, 545964, 636958, 682455, 909940, 955437, 1273916, 1364910, 1592395, 1910874, 2729820, 3184790, 3821748, 4777185, 6369580, 9554370, 19108740]

約数ペア:

[(1, 19108740), (2, 9554370), (3, 6369580), (4, 4777185), (5, 3821748), (6, 3184790), (7, 2729820), (10, 1910874), (12, 1592395), (14, 1364910), (15, 1273916), (20, 955437), (21, 909940), (28, 682455), (30, 636958), (35, 545964), (42, 454970), (60, 318479), (70, 272982), (84, 227485), (105, 181988), (140, 136491), (210, 90994), (420, 45497)]