18722004

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2083}}^1$

素因数の和:2204

約数の個数: 48

約数和(自身を含む): 50416128

約数和(自身を除く): 31694124

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 107, 214, 321, 428, 642, 749, 1284, 1498, 2083, 2247, 2996, 4166, 4494, 6249, 8332, 8988, 12498, 14581, 24996, 29162, 43743, 58324, 87486, 174972, 222881, 445762, 668643, 891524, 1337286, 1560167, 2674572, 3120334, 4680501, 6240668, 9361002, 18722004]

約数ペア:

[(1, 18722004), (2, 9361002), (3, 6240668), (4, 4680501), (6, 3120334), (7, 2674572), (12, 1560167), (14, 1337286), (21, 891524), (28, 668643), (42, 445762), (84, 222881), (107, 174972), (214, 87486), (321, 58324), (428, 43743), (642, 29162), (749, 24996), (1284, 14581), (1498, 12498), (2083, 8988), (2247, 8332), (2996, 6249), (4166, 4494)]