19206020

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{2281}}^1$

素因数の和:2711

約数の個数: 24

約数和(自身を含む): 40446168

約数和(自身を除く): 21240148

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 2281, 4210, 4562, 8420, 9124, 11405, 22810, 45620, 960301, 1920602, 3841204, 4801505, 9603010, 19206020]

約数ペア:

[(1, 19206020), (2, 9603010), (4, 4801505), (5, 3841204), (10, 1920602), (20, 960301), (421, 45620), (842, 22810), (1684, 11405), (2105, 9124), (2281, 8420), (4210, 4562)]