19935188

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{54767}}^1$

素因数の和:54791

約数の個数: 24

約数和(自身を含む): 42938112

約数和(自身を除く): 23002924

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 54767, 109534, 219068, 383369, 711971, 766738, 1423942, 1533476, 2847884, 4983797, 9967594, 19935188]

約数ペア:

[(1, 19935188), (2, 9967594), (4, 4983797), (7, 2847884), (13, 1533476), (14, 1423942), (26, 766738), (28, 711971), (52, 383369), (91, 219068), (182, 109534), (364, 54767)]