19189855

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{563}}^1$

素因数の和:986

約数の個数: 16

約数和(自身を含む): 24486624

約数和(自身を除く): 5296769

約数列:

[1, 5, 17, 85, 401, 563, 2005, 2815, 6817, 9571, 34085, 47855, 225763, 1128815, 3837971, 19189855]

約数ペア:

[(1, 19189855), (5, 3837971), (17, 1128815), (85, 225763), (401, 47855), (563, 34085), (2005, 9571), (2815, 6817)]