12201890

素因数分解:

$2^1\times 5^1\times {\mathrm{709}}^1\times {\mathrm{1721}}^1$

素因数の和:2437

約数の個数: 16

約数和(自身を含む): 22007160

約数和(自身を除く): 9805270

約数列:

[1, 2, 5, 10, 709, 1418, 1721, 3442, 3545, 7090, 8605, 17210, 1220189, 2440378, 6100945, 12201890]

約数ペア:

[(1, 12201890), (2, 6100945), (5, 2440378), (10, 1220189), (709, 17210), (1418, 8605), (1721, 7090), (3442, 3545)]