19408430

素因数分解:

$2^1\times 5^1\times {\mathrm{881}}^1\times {\mathrm{2203}}^1$

素因数の和:3091

約数の個数: 16

約数和(自身を含む): 34990704

約数和(自身を除く): 15582274

約数列:

[1, 2, 5, 10, 881, 1762, 2203, 4405, 4406, 8810, 11015, 22030, 1940843, 3881686, 9704215, 19408430]

約数ペア:

[(1, 19408430), (2, 9704215), (5, 3881686), (10, 1940843), (881, 22030), (1762, 11015), (2203, 8810), (4405, 4406)]