19399480

素因数分解:

$2^3\times 5^1\times {\mathrm{484987}}^1$

素因数の和:484998

約数の個数: 16

約数和(自身を含む): 43648920

約数和(自身を除く): 24249440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 484987, 969974, 1939948, 2424935, 3879896, 4849870, 9699740, 19399480]

約数ペア:

[(1, 19399480), (2, 9699740), (4, 4849870), (5, 3879896), (8, 2424935), (10, 1939948), (20, 969974), (40, 484987)]