1891820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13513}}^1$

素因数の和:13529

約数の個数: 24

約数和(自身を含む): 4540704

約数和(自身を除く): 2648884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 13513, 27026, 54052, 67565, 94591, 135130, 189182, 270260, 378364, 472955, 945910, 1891820]

約数ペア:

[(1, 1891820), (2, 945910), (4, 472955), (5, 378364), (7, 270260), (10, 189182), (14, 135130), (20, 94591), (28, 67565), (35, 54052), (70, 27026), (140, 13513)]