19221815

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{2239}}^1$

素因数の和:2362

約数の個数: 16

約数和(自身を含む): 24675840

約数和(自身を除く): 5454025

約数列:

[1, 5, 17, 85, 101, 505, 1717, 2239, 8585, 11195, 38063, 190315, 226139, 1130695, 3844363, 19221815]

約数ペア:

[(1, 19221815), (5, 3844363), (17, 1130695), (85, 226139), (101, 190315), (505, 38063), (1717, 11195), (2239, 8585)]