19311180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{45979}}^1$

素因数の和:45998

約数の個数: 48

約数和(自身を含む): 61797120

約数和(自身を除く): 42485940

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, 45979, 91958, 137937, 183916, 229895, 275874, 321853, 459790, 551748, 643706, 689685, 919580, 965559, 1287412, 1379370, 1609265, 1931118, 2758740, 3218530, 3862236, 4827795, 6437060, 9655590, 19311180]

約数ペア:

[(1, 19311180), (2, 9655590), (3, 6437060), (4, 4827795), (5, 3862236), (6, 3218530), (7, 2758740), (10, 1931118), (12, 1609265), (14, 1379370), (15, 1287412), (20, 965559), (21, 919580), (28, 689685), (30, 643706), (35, 551748), (42, 459790), (60, 321853), (70, 275874), (84, 229895), (105, 183916), (140, 137937), (210, 91958), (420, 45979)]