19093960

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{857}}^1$

素因数の和:1425

約数の個数: 32

約数和(自身を含む): 43088760

約数和(自身を除く): 23994800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 857, 1114, 1714, 2228, 2785, 3428, 4285, 4456, 5570, 6856, 8570, 11140, 17140, 22280, 34280, 477349, 954698, 1909396, 2386745, 3818792, 4773490, 9546980, 19093960]

約数ペア:

[(1, 19093960), (2, 9546980), (4, 4773490), (5, 3818792), (8, 2386745), (10, 1909396), (20, 954698), (40, 477349), (557, 34280), (857, 22280), (1114, 17140), (1714, 11140), (2228, 8570), (2785, 6856), (3428, 5570), (4285, 4456)]