18803440

素因数分解:

$2^4\times 5^1\times {\mathrm{235043}}^1$

素因数の和:235056

約数の個数: 20

約数和(自身を含む): 43718184

約数和(自身を除く): 24914744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 235043, 470086, 940172, 1175215, 1880344, 2350430, 3760688, 4700860, 9401720, 18803440]

約数ペア:

[(1, 18803440), (2, 9401720), (4, 4700860), (5, 3760688), (8, 2350430), (10, 1880344), (16, 1175215), (20, 940172), (40, 470086), (80, 235043)]