19161640

素因数分解:

$2^3\times 5^1\times {\mathrm{479041}}^1$

素因数の和:479052

約数の個数: 16

約数和(自身を含む): 43113780

約数和(自身を除く): 23952140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479041, 958082, 1916164, 2395205, 3832328, 4790410, 9580820, 19161640]

約数ペア:

[(1, 19161640), (2, 9580820), (4, 4790410), (5, 3832328), (8, 2395205), (10, 1916164), (20, 958082), (40, 479041)]