18970910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{271013}}^1$

素因数の和:271027

約数の個数: 16

約数和(自身を含む): 39026016

約数和(自身を除く): 20055106

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 271013, 542026, 1355065, 1897091, 2710130, 3794182, 9485455, 18970910]

約数ペア:

[(1, 18970910), (2, 9485455), (5, 3794182), (7, 2710130), (10, 1897091), (14, 1355065), (35, 542026), (70, 271013)]