19705936

素因数分解:

$2^4\times {\mathrm{349}}^1\times {\mathrm{3529}}^1$

素因数の和:3886

約数の個数: 20

約数和(自身を含む): 38300500

約数和(自身を除く): 18594564

約数列:

[1, 2, 4, 8, 16, 349, 698, 1396, 2792, 3529, 5584, 7058, 14116, 28232, 56464, 1231621, 2463242, 4926484, 9852968, 19705936]

約数ペア:

[(1, 19705936), (2, 9852968), (4, 4926484), (8, 2463242), (16, 1231621), (349, 56464), (698, 28232), (1396, 14116), (2792, 7058), (3529, 5584)]