19838189

素因数分解:

$7^2\times {\mathrm{89}}^1\times {\mathrm{4549}}^1$

素因数の和:4652

約数の個数: 12

約数和(自身を含む): 23341500

約数和(自身を除く): 3503311

約数列:

[1, 7, 49, 89, 623, 4361, 4549, 31843, 222901, 404861, 2834027, 19838189]

約数ペア:

[(1, 19838189), (7, 2834027), (49, 404861), (89, 222901), (623, 31843), (4361, 4549)]