19002790

素因数分解:

$2^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{4409}}^1$

素因数の和:4847

約数の個数: 16

約数和(自身を含む): 34292160

約数和(自身を除く): 15289370

約数列:

[1, 2, 5, 10, 431, 862, 2155, 4310, 4409, 8818, 22045, 44090, 1900279, 3800558, 9501395, 19002790]

約数ペア:

[(1, 19002790), (2, 9501395), (5, 3800558), (10, 1900279), (431, 44090), (862, 22045), (2155, 8818), (4310, 4409)]