19418660

素因数分解:

$2^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{2027}}^1$

素因数の和:2515

約数の個数: 24

約数和(自身を含む): 40884480

約数和(自身を除く): 21465820

約数列:

[1, 2, 4, 5, 10, 20, 479, 958, 1916, 2027, 2395, 4054, 4790, 8108, 9580, 10135, 20270, 40540, 970933, 1941866, 3883732, 4854665, 9709330, 19418660]

約数ペア:

[(1, 19418660), (2, 9709330), (4, 4854665), (5, 3883732), (10, 1941866), (20, 970933), (479, 40540), (958, 20270), (1916, 10135), (2027, 9580), (2395, 8108), (4054, 4790)]